20804927640

素因数分解:

$2^3\times 3^1\times 5^1\times 7^2\times {\mathrm{967}}^1\times {\mathrm{3659}}^1$

素因数の和:4654

約数の個数: 192

約数和(自身を含む): 72699897600

約数和(自身を除く): 51894969960

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 49, 56, 60, 70, 84, 98, 105, 120, 140, 147, 168, 196, 210, 245, 280, 294, 392, 420, 490, 588, 735, 840, 967, 980, 1176, 1470, 1934, 1960, 2901, 2940, 3659, 3868, 4835, 5802, 5880, 6769, 7318, 7736, 9670, 10977, 11604, 13538, 14505, 14636, 18295, 19340, 20307, 21954, 23208, 25613, 27076, 29010, 29272, 33845, 36590, 38680, 40614, 43908, 47383, 51226, 54152, 54885, 58020, 67690, 73180, 76839, 81228, 87816, 94766, 101535, 102452, 109770, 116040, 128065, 135380, 142149, 146360, 153678, 162456, 179291, 189532, 203070, 204904, 219540, 236915, 256130, 270760, 284298, 307356, 358582, 379064, 384195, 406140, 439080, 473830, 512260, 537873, 568596, 614712, 710745, 717164, 768390, 812280, 896455, 947660, 1024520, 1075746, 1137192, 1421490, 1434328, 1536780, 1792910, 1895320, 2151492, 2689365, 2842980, 3073560, 3538253, 3585820, 4302984, 5378730, 5685960, 7076506, 7171640, 10614759, 10757460, 14153012, 17691265, 21229518, 21514920, 24767771, 28306024, 35382530, 42459036, 49535542, 53073795, 70765060, 74303313, 84918072, 99071084, 106147590, 123838855, 141530120, 148606626, 173374397, 198142168, 212295180, 247677710, 297213252, 346748794, 371516565, 424590360, 495355420, 520123191, 594426504, 693497588, 743033130, 866871985, 990710840, 1040246382, 1386995176, 1486066260, 1733743970, 2080492764, 2600615955, 2972132520, 3467487940, 4160985528, 5201231910, 6934975880, 10402463820, 20804927640]

約数ペア:

[(1, 20804927640), (2, 10402463820), (3, 6934975880), (4, 5201231910), (5, 4160985528), (6, 3467487940), (7, 2972132520), (8, 2600615955), (10, 2080492764), (12, 1733743970), (14, 1486066260), (15, 1386995176), (20, 1040246382), (21, 990710840), (24, 866871985), (28, 743033130), (30, 693497588), (35, 594426504), (40, 520123191), (42, 495355420), (49, 424590360), (56, 371516565), (60, 346748794), (70, 297213252), (84, 247677710), (98, 212295180), (105, 198142168), (120, 173374397), (140, 148606626), (147, 141530120), (168, 123838855), (196, 106147590), (210, 99071084), (245, 84918072), (280, 74303313), (294, 70765060), (392, 53073795), (420, 49535542), (490, 42459036), (588, 35382530), (735, 28306024), (840, 24767771), (967, 21514920), (980, 21229518), (1176, 17691265), (1470, 14153012), (1934, 10757460), (1960, 10614759), (2901, 7171640), (2940, 7076506), (3659, 5685960), (3868, 5378730), (4835, 4302984), (5802, 3585820), (5880, 3538253), (6769, 3073560), (7318, 2842980), (7736, 2689365), (9670, 2151492), (10977, 1895320), (11604, 1792910), (13538, 1536780), (14505, 1434328), (14636, 1421490), (18295, 1137192), (19340, 1075746), (20307, 1024520), (21954, 947660), (23208, 896455), (25613, 812280), (27076, 768390), (29010, 717164), (29272, 710745), (33845, 614712), (36590, 568596), (38680, 537873), (40614, 512260), (43908, 473830), (47383, 439080), (51226, 406140), (54152, 384195), (54885, 379064), (58020, 358582), (67690, 307356), (73180, 284298), (76839, 270760), (81228, 256130), (87816, 236915), (94766, 219540), (101535, 204904), (102452, 203070), (109770, 189532), (116040, 179291), (128065, 162456), (135380, 153678), (142149, 146360)]