87555780

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1$

素因数の和:147

約数の個数: 288

約数和(自身を含む): 317011968

約数和(自身を除く): 229456188

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 17, 18, 20, 26, 30, 31, 34, 36, 39, 45, 51, 52, 60, 62, 65, 68, 71, 78, 85, 90, 93, 102, 117, 124, 130, 142, 153, 155, 156, 170, 180, 186, 195, 204, 213, 221, 234, 255, 260, 279, 284, 306, 310, 340, 355, 372, 390, 403, 426, 442, 465, 468, 510, 527, 558, 585, 612, 620, 639, 663, 710, 765, 780, 806, 852, 884, 923, 930, 1020, 1054, 1065, 1105, 1116, 1170, 1207, 1209, 1278, 1326, 1395, 1420, 1530, 1581, 1612, 1846, 1860, 1989, 2015, 2108, 2130, 2201, 2210, 2340, 2414, 2418, 2556, 2635, 2652, 2769, 2790, 3060, 3162, 3195, 3315, 3621, 3627, 3692, 3978, 4030, 4260, 4402, 4420, 4615, 4743, 4828, 4836, 5270, 5538, 5580, 6035, 6045, 6324, 6390, 6603, 6630, 6851, 7242, 7254, 7905, 7956, 8060, 8307, 8804, 9230, 9486, 9945, 10540, 10863, 11005, 11076, 12070, 12090, 12780, 13206, 13260, 13702, 13845, 14484, 14508, 15691, 15810, 16614, 18105, 18135, 18460, 18972, 19809, 19890, 20553, 21726, 22010, 23715, 24140, 24180, 26412, 27404, 27690, 28613, 31382, 31620, 33015, 33228, 34255, 36210, 36270, 37417, 39618, 39780, 41106, 41535, 43452, 44020, 47073, 47430, 54315, 55380, 57226, 61659, 62764, 66030, 68510, 72420, 72540, 74834, 78455, 79236, 82212, 83070, 85839, 94146, 94860, 99045, 102765, 108630, 112251, 114452, 123318, 132060, 137020, 141219, 143065, 149668, 156910, 166140, 171678, 187085, 188292, 198090, 205530, 217260, 224502, 235365, 246636, 257517, 282438, 286130, 308295, 313820, 336753, 343356, 374170, 396180, 411060, 429195, 449004, 470730, 486421, 515034, 561255, 564876, 572260, 616590, 673506, 706095, 748340, 858390, 941460, 972842, 1030068, 1122510, 1233180, 1287585, 1347012, 1412190, 1459263, 1683765, 1716780, 1945684, 2245020, 2432105, 2575170, 2824380, 2918526, 3367530, 4377789, 4864210, 5150340, 5837052, 6735060, 7296315, 8755578, 9728420, 14592630, 17511156, 21888945, 29185260, 43777890, 87555780]

約数ペア:

[(1, 87555780), (2, 43777890), (3, 29185260), (4, 21888945), (5, 17511156), (6, 14592630), (9, 9728420), (10, 8755578), (12, 7296315), (13, 6735060), (15, 5837052), (17, 5150340), (18, 4864210), (20, 4377789), (26, 3367530), (30, 2918526), (31, 2824380), (34, 2575170), (36, 2432105), (39, 2245020), (45, 1945684), (51, 1716780), (52, 1683765), (60, 1459263), (62, 1412190), (65, 1347012), (68, 1287585), (71, 1233180), (78, 1122510), (85, 1030068), (90, 972842), (93, 941460), (102, 858390), (117, 748340), (124, 706095), (130, 673506), (142, 616590), (153, 572260), (155, 564876), (156, 561255), (170, 515034), (180, 486421), (186, 470730), (195, 449004), (204, 429195), (213, 411060), (221, 396180), (234, 374170), (255, 343356), (260, 336753), (279, 313820), (284, 308295), (306, 286130), (310, 282438), (340, 257517), (355, 246636), (372, 235365), (390, 224502), (403, 217260), (426, 205530), (442, 198090), (465, 188292), (468, 187085), (510, 171678), (527, 166140), (558, 156910), (585, 149668), (612, 143065), (620, 141219), (639, 137020), (663, 132060), (710, 123318), (765, 114452), (780, 112251), (806, 108630), (852, 102765), (884, 99045), (923, 94860), (930, 94146), (1020, 85839), (1054, 83070), (1065, 82212), (1105, 79236), (1116, 78455), (1170, 74834), (1207, 72540), (1209, 72420), (1278, 68510), (1326, 66030), (1395, 62764), (1420, 61659), (1530, 57226), (1581, 55380), (1612, 54315), (1846, 47430), (1860, 47073), (1989, 44020), (2015, 43452), (2108, 41535), (2130, 41106), (2201, 39780), (2210, 39618), (2340, 37417), (2414, 36270), (2418, 36210), (2556, 34255), (2635, 33228), (2652, 33015), (2769, 31620), (2790, 31382), (3060, 28613), (3162, 27690), (3195, 27404), (3315, 26412), (3621, 24180), (3627, 24140), (3692, 23715), (3978, 22010), (4030, 21726), (4260, 20553), (4402, 19890), (4420, 19809), (4615, 18972), (4743, 18460), (4828, 18135), (4836, 18105), (5270, 16614), (5538, 15810), (5580, 15691), (6035, 14508), (6045, 14484), (6324, 13845), (6390, 13702), (6603, 13260), (6630, 13206), (6851, 12780), (7242, 12090), (7254, 12070), (7905, 11076), (7956, 11005), (8060, 10863), (8307, 10540), (8804, 9945), (9230, 9486)]