17872120

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1$

素因数の和:149

約数の個数: 128

約数和(自身を含む): 49766400

約数和(自身を除く): 31894280

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 29, 31, 35, 40, 56, 58, 62, 70, 71, 116, 124, 140, 142, 145, 155, 203, 217, 232, 248, 280, 284, 290, 310, 355, 406, 434, 497, 568, 580, 620, 710, 812, 868, 899, 994, 1015, 1085, 1160, 1240, 1420, 1624, 1736, 1798, 1988, 2030, 2059, 2170, 2201, 2485, 2840, 3596, 3976, 4060, 4118, 4340, 4402, 4495, 4970, 6293, 7192, 8120, 8236, 8680, 8804, 8990, 9940, 10295, 11005, 12586, 14413, 15407, 16472, 17608, 17980, 19880, 20590, 22010, 25172, 28826, 30814, 31465, 35960, 41180, 44020, 50344, 57652, 61628, 62930, 63829, 72065, 77035, 82360, 88040, 115304, 123256, 125860, 127658, 144130, 154070, 251720, 255316, 288260, 308140, 319145, 446803, 510632, 576520, 616280, 638290, 893606, 1276580, 1787212, 2234015, 2553160, 3574424, 4468030, 8936060, 17872120]

約数ペア:

[(1, 17872120), (2, 8936060), (4, 4468030), (5, 3574424), (7, 2553160), (8, 2234015), (10, 1787212), (14, 1276580), (20, 893606), (28, 638290), (29, 616280), (31, 576520), (35, 510632), (40, 446803), (56, 319145), (58, 308140), (62, 288260), (70, 255316), (71, 251720), (116, 154070), (124, 144130), (140, 127658), (142, 125860), (145, 123256), (155, 115304), (203, 88040), (217, 82360), (232, 77035), (248, 72065), (280, 63829), (284, 62930), (290, 61628), (310, 57652), (355, 50344), (406, 44020), (434, 41180), (497, 35960), (568, 31465), (580, 30814), (620, 28826), (710, 25172), (812, 22010), (868, 20590), (899, 19880), (994, 17980), (1015, 17608), (1085, 16472), (1160, 15407), (1240, 14413), (1420, 12586), (1624, 11005), (1736, 10295), (1798, 9940), (1988, 8990), (2030, 8804), (2059, 8680), (2170, 8236), (2201, 8120), (2485, 7192), (2840, 6293), (3596, 4970), (3976, 4495), (4060, 4402), (4118, 4340)]