877306920

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{977}}^1\times {\mathrm{1069}}^1$

素因数の和:2067

約数の個数: 128

約数和(自身を含む): 3013804800

約数和(自身を除く): 2136497880

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 840, 977, 1069, 1954, 2138, 2931, 3207, 3908, 4276, 4885, 5345, 5862, 6414, 6839, 7483, 7816, 8552, 9770, 10690, 11724, 12828, 13678, 14655, 14966, 16035, 19540, 20517, 21380, 22449, 23448, 25656, 27356, 29310, 29932, 32070, 34195, 37415, 39080, 41034, 42760, 44898, 54712, 58620, 59864, 64140, 68390, 74830, 82068, 89796, 102585, 112245, 117240, 128280, 136780, 149660, 164136, 179592, 205170, 224490, 273560, 299320, 410340, 448980, 820680, 897960, 1044413, 2088826, 3133239, 4177652, 5222065, 6266478, 7310891, 8355304, 10444130, 12532956, 14621782, 15666195, 20888260, 21932673, 25065912, 29243564, 31332390, 36554455, 41776520, 43865346, 58487128, 62664780, 73108910, 87730692, 109663365, 125329560, 146217820, 175461384, 219326730, 292435640, 438653460, 877306920]

約数ペア:

[(1, 877306920), (2, 438653460), (3, 292435640), (4, 219326730), (5, 175461384), (6, 146217820), (7, 125329560), (8, 109663365), (10, 87730692), (12, 73108910), (14, 62664780), (15, 58487128), (20, 43865346), (21, 41776520), (24, 36554455), (28, 31332390), (30, 29243564), (35, 25065912), (40, 21932673), (42, 20888260), (56, 15666195), (60, 14621782), (70, 12532956), (84, 10444130), (105, 8355304), (120, 7310891), (140, 6266478), (168, 5222065), (210, 4177652), (280, 3133239), (420, 2088826), (840, 1044413), (977, 897960), (1069, 820680), (1954, 448980), (2138, 410340), (2931, 299320), (3207, 273560), (3908, 224490), (4276, 205170), (4885, 179592), (5345, 164136), (5862, 149660), (6414, 136780), (6839, 128280), (7483, 117240), (7816, 112245), (8552, 102585), (9770, 89796), (10690, 82068), (11724, 74830), (12828, 68390), (13678, 64140), (14655, 59864), (14966, 58620), (16035, 54712), (19540, 44898), (20517, 42760), (21380, 41034), (22449, 39080), (23448, 37415), (25656, 34195), (27356, 32070), (29310, 29932)]