1241240

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1$

素因数の和:73

約数の個数: 128

約数和(自身を含む): 3870720

約数和(自身を除く): 2629480

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 13, 14, 20, 22, 26, 28, 31, 35, 40, 44, 52, 55, 56, 62, 65, 70, 77, 88, 91, 104, 110, 124, 130, 140, 143, 154, 155, 182, 217, 220, 248, 260, 280, 286, 308, 310, 341, 364, 385, 403, 434, 440, 455, 520, 572, 616, 620, 682, 715, 728, 770, 806, 868, 910, 1001, 1085, 1144, 1240, 1364, 1430, 1540, 1612, 1705, 1736, 1820, 2002, 2015, 2170, 2387, 2728, 2821, 2860, 3080, 3224, 3410, 3640, 4004, 4030, 4340, 4433, 4774, 5005, 5642, 5720, 6820, 8008, 8060, 8680, 8866, 9548, 10010, 11284, 11935, 13640, 14105, 16120, 17732, 19096, 20020, 22165, 22568, 23870, 28210, 31031, 35464, 40040, 44330, 47740, 56420, 62062, 88660, 95480, 112840, 124124, 155155, 177320, 248248, 310310, 620620, 1241240]

約数ペア:

[(1, 1241240), (2, 620620), (4, 310310), (5, 248248), (7, 177320), (8, 155155), (10, 124124), (11, 112840), (13, 95480), (14, 88660), (20, 62062), (22, 56420), (26, 47740), (28, 44330), (31, 40040), (35, 35464), (40, 31031), (44, 28210), (52, 23870), (55, 22568), (56, 22165), (62, 20020), (65, 19096), (70, 17732), (77, 16120), (88, 14105), (91, 13640), (104, 11935), (110, 11284), (124, 10010), (130, 9548), (140, 8866), (143, 8680), (154, 8060), (155, 8008), (182, 6820), (217, 5720), (220, 5642), (248, 5005), (260, 4774), (280, 4433), (286, 4340), (308, 4030), (310, 4004), (341, 3640), (364, 3410), (385, 3224), (403, 3080), (434, 2860), (440, 2821), (455, 2728), (520, 2387), (572, 2170), (616, 2015), (620, 2002), (682, 1820), (715, 1736), (728, 1705), (770, 1612), (806, 1540), (868, 1430), (910, 1364), (1001, 1240), (1085, 1144)]