28704600

素因数分解:

$2^3\times 3^2\times 5^2\times {\mathrm{37}}^1\times {\mathrm{431}}^1$

素因数の和:490

約数の個数: 144

約数和(自身を含む): 99234720

約数和(自身を除く): 70530120

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 25, 30, 36, 37, 40, 45, 50, 60, 72, 74, 75, 90, 100, 111, 120, 148, 150, 180, 185, 200, 222, 225, 296, 300, 333, 360, 370, 431, 444, 450, 555, 600, 666, 740, 862, 888, 900, 925, 1110, 1293, 1332, 1480, 1665, 1724, 1800, 1850, 2155, 2220, 2586, 2664, 2775, 3330, 3448, 3700, 3879, 4310, 4440, 5172, 5550, 6465, 6660, 7400, 7758, 8325, 8620, 10344, 10775, 11100, 12930, 13320, 15516, 15947, 16650, 17240, 19395, 21550, 22200, 25860, 31032, 31894, 32325, 33300, 38790, 43100, 47841, 51720, 63788, 64650, 66600, 77580, 79735, 86200, 95682, 96975, 127576, 129300, 143523, 155160, 159470, 191364, 193950, 239205, 258600, 287046, 318940, 382728, 387900, 398675, 478410, 574092, 637880, 717615, 775800, 797350, 956820, 1148184, 1196025, 1435230, 1594700, 1913640, 2392050, 2870460, 3189400, 3588075, 4784100, 5740920, 7176150, 9568200, 14352300, 28704600]

約数ペア:

[(1, 28704600), (2, 14352300), (3, 9568200), (4, 7176150), (5, 5740920), (6, 4784100), (8, 3588075), (9, 3189400), (10, 2870460), (12, 2392050), (15, 1913640), (18, 1594700), (20, 1435230), (24, 1196025), (25, 1148184), (30, 956820), (36, 797350), (37, 775800), (40, 717615), (45, 637880), (50, 574092), (60, 478410), (72, 398675), (74, 387900), (75, 382728), (90, 318940), (100, 287046), (111, 258600), (120, 239205), (148, 193950), (150, 191364), (180, 159470), (185, 155160), (200, 143523), (222, 129300), (225, 127576), (296, 96975), (300, 95682), (333, 86200), (360, 79735), (370, 77580), (431, 66600), (444, 64650), (450, 63788), (555, 51720), (600, 47841), (666, 43100), (740, 38790), (862, 33300), (888, 32325), (900, 31894), (925, 31032), (1110, 25860), (1293, 22200), (1332, 21550), (1480, 19395), (1665, 17240), (1724, 16650), (1800, 15947), (1850, 15516), (2155, 13320), (2220, 12930), (2586, 11100), (2664, 10775), (2775, 10344), (3330, 8620), (3448, 8325), (3700, 7758), (3879, 7400), (4310, 6660), (4440, 6465), (5172, 5550)]