2885807360

素因数分解:

$2^8\times 5^1\times {\mathrm{31}}^1\times {\mathrm{72727}}^1$

素因数の和:72779

約数の個数: 72

約数和(自身を含む): 7135489536

約数和(自身を除く): 4249682176

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 128, 155, 160, 248, 256, 310, 320, 496, 620, 640, 992, 1240, 1280, 1984, 2480, 3968, 4960, 7936, 9920, 19840, 39680, 72727, 145454, 290908, 363635, 581816, 727270, 1163632, 1454540, 2254537, 2327264, 2909080, 4509074, 4654528, 5818160, 9018148, 9309056, 11272685, 11636320, 18036296, 18618112, 22545370, 23272640, 36072592, 45090740, 46545280, 72145184, 90181480, 93090560, 144290368, 180362960, 288580736, 360725920, 577161472, 721451840, 1442903680, 2885807360]

約数ペア:

[(1, 2885807360), (2, 1442903680), (4, 721451840), (5, 577161472), (8, 360725920), (10, 288580736), (16, 180362960), (20, 144290368), (31, 93090560), (32, 90181480), (40, 72145184), (62, 46545280), (64, 45090740), (80, 36072592), (124, 23272640), (128, 22545370), (155, 18618112), (160, 18036296), (248, 11636320), (256, 11272685), (310, 9309056), (320, 9018148), (496, 5818160), (620, 4654528), (640, 4509074), (992, 2909080), (1240, 2327264), (1280, 2254537), (1984, 1454540), (2480, 1163632), (3968, 727270), (4960, 581816), (7936, 363635), (9920, 290908), (19840, 145454), (39680, 72727)]