1815810120

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{17}}^2\times {\mathrm{31}}^1\times {\mathrm{563}}^1$

素因数の和:645

約数の個数: 288

約数和(自身を含む): 6482661120

約数和(自身を除く): 4666851000

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 17, 18, 20, 24, 30, 31, 34, 36, 40, 45, 51, 60, 62, 68, 72, 85, 90, 93, 102, 120, 124, 136, 153, 155, 170, 180, 186, 204, 248, 255, 279, 289, 306, 310, 340, 360, 372, 408, 465, 510, 527, 558, 563, 578, 612, 620, 680, 744, 765, 867, 930, 1020, 1054, 1116, 1126, 1156, 1224, 1240, 1395, 1445, 1530, 1581, 1689, 1734, 1860, 2040, 2108, 2232, 2252, 2312, 2601, 2635, 2790, 2815, 2890, 3060, 3162, 3378, 3468, 3720, 4216, 4335, 4504, 4743, 5067, 5202, 5270, 5580, 5630, 5780, 6120, 6324, 6756, 6936, 7905, 8445, 8670, 8959, 9486, 9571, 10134, 10404, 10540, 11160, 11260, 11560, 12648, 13005, 13512, 15810, 16890, 17340, 17453, 17918, 18972, 19142, 20268, 20808, 21080, 22520, 23715, 25335, 26010, 26877, 28713, 31620, 33780, 34680, 34906, 35836, 37944, 38284, 40536, 44795, 47430, 47855, 50670, 52020, 52359, 53754, 57426, 63240, 67560, 69812, 71672, 76568, 80631, 86139, 87265, 89590, 94860, 95710, 101340, 104040, 104718, 107508, 114852, 134385, 139624, 143565, 157077, 161262, 162707, 172278, 174530, 179180, 189720, 191420, 202680, 209436, 215016, 229704, 261795, 268770, 287130, 296701, 314154, 322524, 325414, 344556, 349060, 358360, 382840, 403155, 418872, 430695, 488121, 523590, 537540, 574260, 593402, 628308, 645048, 650828, 689112, 698120, 785385, 806310, 813535, 861390, 890103, 976242, 1047180, 1075080, 1148520, 1186804, 1256616, 1301656, 1464363, 1483505, 1570770, 1612620, 1627070, 1722780, 1780206, 1952484, 2094360, 2373608, 2440605, 2670309, 2928726, 2967010, 3141540, 3225240, 3254140, 3445560, 3560412, 3904968, 4450515, 4881210, 5043917, 5340618, 5857452, 5934020, 6283080, 6508280, 7120824, 7321815, 8901030, 9762420, 10087834, 10681236, 11714904, 11868040, 13351545, 14643630, 15131751, 17802060, 19524840, 20175668, 21362472, 25219585, 26703090, 29287260, 30263502, 35604120, 40351336, 45395253, 50439170, 53406180, 58574520, 60527004, 75658755, 90790506, 100878340, 106812360, 121054008, 151317510, 181581012, 201756680, 226976265, 302635020, 363162024, 453952530, 605270040, 907905060, 1815810120]

約数ペア:

[(1, 1815810120), (2, 907905060), (3, 605270040), (4, 453952530), (5, 363162024), (6, 302635020), (8, 226976265), (9, 201756680), (10, 181581012), (12, 151317510), (15, 121054008), (17, 106812360), (18, 100878340), (20, 90790506), (24, 75658755), (30, 60527004), (31, 58574520), (34, 53406180), (36, 50439170), (40, 45395253), (45, 40351336), (51, 35604120), (60, 30263502), (62, 29287260), (68, 26703090), (72, 25219585), (85, 21362472), (90, 20175668), (93, 19524840), (102, 17802060), (120, 15131751), (124, 14643630), (136, 13351545), (153, 11868040), (155, 11714904), (170, 10681236), (180, 10087834), (186, 9762420), (204, 8901030), (248, 7321815), (255, 7120824), (279, 6508280), (289, 6283080), (306, 5934020), (310, 5857452), (340, 5340618), (360, 5043917), (372, 4881210), (408, 4450515), (465, 3904968), (510, 3560412), (527, 3445560), (558, 3254140), (563, 3225240), (578, 3141540), (612, 2967010), (620, 2928726), (680, 2670309), (744, 2440605), (765, 2373608), (867, 2094360), (930, 1952484), (1020, 1780206), (1054, 1722780), (1116, 1627070), (1126, 1612620), (1156, 1570770), (1224, 1483505), (1240, 1464363), (1395, 1301656), (1445, 1256616), (1530, 1186804), (1581, 1148520), (1689, 1075080), (1734, 1047180), (1860, 976242), (2040, 890103), (2108, 861390), (2232, 813535), (2252, 806310), (2312, 785385), (2601, 698120), (2635, 689112), (2790, 650828), (2815, 645048), (2890, 628308), (3060, 593402), (3162, 574260), (3378, 537540), (3468, 523590), (3720, 488121), (4216, 430695), (4335, 418872), (4504, 403155), (4743, 382840), (5067, 358360), (5202, 349060), (5270, 344556), (5580, 325414), (5630, 322524), (5780, 314154), (6120, 296701), (6324, 287130), (6756, 268770), (6936, 261795), (7905, 229704), (8445, 215016), (8670, 209436), (8959, 202680), (9486, 191420), (9571, 189720), (10134, 179180), (10404, 174530), (10540, 172278), (11160, 162707), (11260, 161262), (11560, 157077), (12648, 143565), (13005, 139624), (13512, 134385), (15810, 114852), (16890, 107508), (17340, 104718), (17453, 104040), (17918, 101340), (18972, 95710), (19142, 94860), (20268, 89590), (20808, 87265), (21080, 86139), (22520, 80631), (23715, 76568), (25335, 71672), (26010, 69812), (26877, 67560), (28713, 63240), (31620, 57426), (33780, 53754), (34680, 52359), (34906, 52020), (35836, 50670), (37944, 47855), (38284, 47430), (40536, 44795)]