28877940

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1$

素因数の和:119

約数の個数: 288

約数和(自身を含む): 113008896

約数和(自身を除く): 84130956

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 13, 14, 15, 18, 20, 21, 26, 28, 30, 35, 36, 39, 41, 42, 43, 45, 52, 60, 63, 65, 70, 78, 82, 84, 86, 90, 91, 105, 117, 123, 126, 129, 130, 140, 156, 164, 172, 180, 182, 195, 205, 210, 215, 234, 246, 252, 258, 260, 273, 287, 301, 315, 364, 369, 387, 390, 410, 420, 430, 455, 468, 492, 516, 533, 546, 559, 574, 585, 602, 615, 630, 645, 738, 774, 780, 819, 820, 860, 861, 903, 910, 1066, 1092, 1118, 1148, 1170, 1204, 1230, 1260, 1290, 1365, 1435, 1476, 1505, 1548, 1599, 1638, 1677, 1722, 1763, 1806, 1820, 1845, 1935, 2132, 2236, 2340, 2460, 2580, 2583, 2665, 2709, 2730, 2795, 2870, 3010, 3198, 3276, 3354, 3444, 3526, 3612, 3690, 3731, 3870, 3913, 4095, 4305, 4515, 4797, 5031, 5166, 5289, 5330, 5418, 5460, 5590, 5740, 6020, 6396, 6708, 7052, 7380, 7462, 7740, 7826, 7995, 8190, 8385, 8610, 8815, 9030, 9594, 10062, 10332, 10578, 10660, 10836, 11180, 11193, 11739, 12341, 12915, 13545, 14924, 15652, 15867, 15990, 16380, 16770, 17220, 17630, 18060, 18655, 19188, 19565, 20124, 21156, 22386, 22919, 23478, 23985, 24682, 25155, 25830, 26445, 27090, 31734, 31980, 33540, 33579, 35217, 35260, 37023, 37310, 39130, 44772, 45838, 46956, 47970, 49364, 50310, 51660, 52890, 54180, 55965, 58695, 61705, 63468, 67158, 68757, 70434, 74046, 74620, 78260, 79335, 91676, 95940, 100620, 105780, 111069, 111930, 114595, 117390, 123410, 134316, 137514, 140868, 148092, 158670, 160433, 167895, 176085, 185115, 206271, 222138, 223860, 229190, 234780, 246820, 275028, 317340, 320866, 335790, 343785, 352170, 370230, 412542, 444276, 458380, 481299, 555345, 641732, 671580, 687570, 704340, 740460, 802165, 825084, 962598, 1031355, 1110690, 1375140, 1443897, 1604330, 1925196, 2062710, 2221380, 2406495, 2887794, 3208660, 4125420, 4812990, 5775588, 7219485, 9625980, 14438970, 28877940]

約数ペア:

[(1, 28877940), (2, 14438970), (3, 9625980), (4, 7219485), (5, 5775588), (6, 4812990), (7, 4125420), (9, 3208660), (10, 2887794), (12, 2406495), (13, 2221380), (14, 2062710), (15, 1925196), (18, 1604330), (20, 1443897), (21, 1375140), (26, 1110690), (28, 1031355), (30, 962598), (35, 825084), (36, 802165), (39, 740460), (41, 704340), (42, 687570), (43, 671580), (45, 641732), (52, 555345), (60, 481299), (63, 458380), (65, 444276), (70, 412542), (78, 370230), (82, 352170), (84, 343785), (86, 335790), (90, 320866), (91, 317340), (105, 275028), (117, 246820), (123, 234780), (126, 229190), (129, 223860), (130, 222138), (140, 206271), (156, 185115), (164, 176085), (172, 167895), (180, 160433), (182, 158670), (195, 148092), (205, 140868), (210, 137514), (215, 134316), (234, 123410), (246, 117390), (252, 114595), (258, 111930), (260, 111069), (273, 105780), (287, 100620), (301, 95940), (315, 91676), (364, 79335), (369, 78260), (387, 74620), (390, 74046), (410, 70434), (420, 68757), (430, 67158), (455, 63468), (468, 61705), (492, 58695), (516, 55965), (533, 54180), (546, 52890), (559, 51660), (574, 50310), (585, 49364), (602, 47970), (615, 46956), (630, 45838), (645, 44772), (738, 39130), (774, 37310), (780, 37023), (819, 35260), (820, 35217), (860, 33579), (861, 33540), (903, 31980), (910, 31734), (1066, 27090), (1092, 26445), (1118, 25830), (1148, 25155), (1170, 24682), (1204, 23985), (1230, 23478), (1260, 22919), (1290, 22386), (1365, 21156), (1435, 20124), (1476, 19565), (1505, 19188), (1548, 18655), (1599, 18060), (1638, 17630), (1677, 17220), (1722, 16770), (1763, 16380), (1806, 15990), (1820, 15867), (1845, 15652), (1935, 14924), (2132, 13545), (2236, 12915), (2340, 12341), (2460, 11739), (2580, 11193), (2583, 11180), (2665, 10836), (2709, 10660), (2730, 10578), (2795, 10332), (2870, 10062), (3010, 9594), (3198, 9030), (3276, 8815), (3354, 8610), (3444, 8385), (3526, 8190), (3612, 7995), (3690, 7826), (3731, 7740), (3870, 7462), (3913, 7380), (4095, 7052), (4305, 6708), (4515, 6396), (4797, 6020), (5031, 5740), (5166, 5590), (5289, 5460), (5330, 5418)]