645832740

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{107}}^1\times {\mathrm{2053}}^1$

素因数の和:2186

約数の個数: 144

約数和(自身を含む): 2124263232

約数和(自身を除く): 1478430492

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 49, 60, 70, 84, 98, 105, 107, 140, 147, 196, 210, 214, 245, 294, 321, 420, 428, 490, 535, 588, 642, 735, 749, 980, 1070, 1284, 1470, 1498, 1605, 2053, 2140, 2247, 2940, 2996, 3210, 3745, 4106, 4494, 5243, 6159, 6420, 7490, 8212, 8988, 10265, 10486, 11235, 12318, 14371, 14980, 15729, 20530, 20972, 22470, 24636, 26215, 28742, 30795, 31458, 41060, 43113, 44940, 52430, 57484, 61590, 62916, 71855, 78645, 86226, 100597, 104860, 123180, 143710, 157290, 172452, 201194, 215565, 219671, 287420, 301791, 314580, 402388, 431130, 439342, 502985, 603582, 659013, 862260, 878684, 1005970, 1098355, 1207164, 1318026, 1508955, 1537697, 2011940, 2196710, 2636052, 3017910, 3075394, 3295065, 4393420, 4613091, 6035820, 6150788, 6590130, 7688485, 9226182, 10763879, 13180260, 15376970, 18452364, 21527758, 23065455, 30753940, 32291637, 43055516, 46130910, 53819395, 64583274, 92261820, 107638790, 129166548, 161458185, 215277580, 322916370, 645832740]

約数ペア:

[(1, 645832740), (2, 322916370), (3, 215277580), (4, 161458185), (5, 129166548), (6, 107638790), (7, 92261820), (10, 64583274), (12, 53819395), (14, 46130910), (15, 43055516), (20, 32291637), (21, 30753940), (28, 23065455), (30, 21527758), (35, 18452364), (42, 15376970), (49, 13180260), (60, 10763879), (70, 9226182), (84, 7688485), (98, 6590130), (105, 6150788), (107, 6035820), (140, 4613091), (147, 4393420), (196, 3295065), (210, 3075394), (214, 3017910), (245, 2636052), (294, 2196710), (321, 2011940), (420, 1537697), (428, 1508955), (490, 1318026), (535, 1207164), (588, 1098355), (642, 1005970), (735, 878684), (749, 862260), (980, 659013), (1070, 603582), (1284, 502985), (1470, 439342), (1498, 431130), (1605, 402388), (2053, 314580), (2140, 301791), (2247, 287420), (2940, 219671), (2996, 215565), (3210, 201194), (3745, 172452), (4106, 157290), (4494, 143710), (5243, 123180), (6159, 104860), (6420, 100597), (7490, 86226), (8212, 78645), (8988, 71855), (10265, 62916), (10486, 61590), (11235, 57484), (12318, 52430), (14371, 44940), (14980, 43113), (15729, 41060), (20530, 31458), (20972, 30795), (22470, 28742), (24636, 26215)]