30646980

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{1871}}^1$

素因数の和:1906

約数の個数: 144

約数和(自身を含む): 114476544

約数和(自身を除く): 83829564

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, 42, 45, 52, 60, 63, 65, 70, 78, 84, 90, 91, 105, 117, 126, 130, 140, 156, 180, 182, 195, 210, 234, 252, 260, 273, 315, 364, 390, 420, 455, 468, 546, 585, 630, 780, 819, 910, 1092, 1170, 1260, 1365, 1638, 1820, 1871, 2340, 2730, 3276, 3742, 4095, 5460, 5613, 7484, 8190, 9355, 11226, 13097, 16380, 16839, 18710, 22452, 24323, 26194, 28065, 33678, 37420, 39291, 48646, 52388, 56130, 65485, 67356, 72969, 78582, 84195, 97292, 112260, 117873, 121615, 130970, 145938, 157164, 168390, 170261, 196455, 218907, 235746, 243230, 261940, 291876, 336780, 340522, 364845, 392910, 437814, 471492, 486460, 510783, 589365, 681044, 729690, 785820, 851305, 875628, 1021566, 1094535, 1178730, 1459380, 1532349, 1702610, 2043132, 2189070, 2357460, 2553915, 3064698, 3405220, 4378140, 5107830, 6129396, 7661745, 10215660, 15323490, 30646980]

約数ペア:

[(1, 30646980), (2, 15323490), (3, 10215660), (4, 7661745), (5, 6129396), (6, 5107830), (7, 4378140), (9, 3405220), (10, 3064698), (12, 2553915), (13, 2357460), (14, 2189070), (15, 2043132), (18, 1702610), (20, 1532349), (21, 1459380), (26, 1178730), (28, 1094535), (30, 1021566), (35, 875628), (36, 851305), (39, 785820), (42, 729690), (45, 681044), (52, 589365), (60, 510783), (63, 486460), (65, 471492), (70, 437814), (78, 392910), (84, 364845), (90, 340522), (91, 336780), (105, 291876), (117, 261940), (126, 243230), (130, 235746), (140, 218907), (156, 196455), (180, 170261), (182, 168390), (195, 157164), (210, 145938), (234, 130970), (252, 121615), (260, 117873), (273, 112260), (315, 97292), (364, 84195), (390, 78582), (420, 72969), (455, 67356), (468, 65485), (546, 56130), (585, 52388), (630, 48646), (780, 39291), (819, 37420), (910, 33678), (1092, 28065), (1170, 26194), (1260, 24323), (1365, 22452), (1638, 18710), (1820, 16839), (1871, 16380), (2340, 13097), (2730, 11226), (3276, 9355), (3742, 8190), (4095, 7484), (5460, 5613)]