42811020

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{557}}^1$

素因数の和:640

約数の個数: 144

約数和(自身を含む): 151115328

約数和(自身を除く): 108304308

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 61, 63, 70, 84, 90, 105, 122, 126, 140, 180, 183, 210, 244, 252, 305, 315, 366, 420, 427, 549, 557, 610, 630, 732, 854, 915, 1098, 1114, 1220, 1260, 1281, 1671, 1708, 1830, 2135, 2196, 2228, 2562, 2745, 2785, 3342, 3660, 3843, 3899, 4270, 5013, 5124, 5490, 5570, 6405, 6684, 7686, 7798, 8355, 8540, 10026, 10980, 11140, 11697, 12810, 15372, 15596, 16710, 19215, 19495, 20052, 23394, 25065, 25620, 33420, 33977, 35091, 38430, 38990, 46788, 50130, 58485, 67954, 70182, 76860, 77980, 100260, 101931, 116970, 135908, 140364, 169885, 175455, 203862, 233940, 237839, 305793, 339770, 350910, 407724, 475678, 509655, 611586, 679540, 701820, 713517, 951356, 1019310, 1189195, 1223172, 1427034, 1528965, 2038620, 2140551, 2378390, 2854068, 3057930, 3567585, 4281102, 4756780, 6115860, 7135170, 8562204, 10702755, 14270340, 21405510, 42811020]

約数ペア:

[(1, 42811020), (2, 21405510), (3, 14270340), (4, 10702755), (5, 8562204), (6, 7135170), (7, 6115860), (9, 4756780), (10, 4281102), (12, 3567585), (14, 3057930), (15, 2854068), (18, 2378390), (20, 2140551), (21, 2038620), (28, 1528965), (30, 1427034), (35, 1223172), (36, 1189195), (42, 1019310), (45, 951356), (60, 713517), (61, 701820), (63, 679540), (70, 611586), (84, 509655), (90, 475678), (105, 407724), (122, 350910), (126, 339770), (140, 305793), (180, 237839), (183, 233940), (210, 203862), (244, 175455), (252, 169885), (305, 140364), (315, 135908), (366, 116970), (420, 101931), (427, 100260), (549, 77980), (557, 76860), (610, 70182), (630, 67954), (732, 58485), (854, 50130), (915, 46788), (1098, 38990), (1114, 38430), (1220, 35091), (1260, 33977), (1281, 33420), (1671, 25620), (1708, 25065), (1830, 23394), (2135, 20052), (2196, 19495), (2228, 19215), (2562, 16710), (2745, 15596), (2785, 15372), (3342, 12810), (3660, 11697), (3843, 11140), (3899, 10980), (4270, 10026), (5013, 8540), (5124, 8355), (5490, 7798), (5570, 7686), (6405, 6684)]