66531920

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{37}}^1$

素因数の和:102

約数の個数: 240

約数和(自身を含む): 206951040

約数和(自身を除く): 140419120

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 19, 20, 26, 28, 35, 37, 38, 40, 52, 56, 65, 70, 74, 76, 80, 91, 95, 104, 112, 130, 133, 140, 148, 152, 169, 182, 185, 190, 208, 247, 259, 260, 266, 280, 296, 304, 338, 364, 370, 380, 455, 481, 494, 518, 520, 532, 560, 592, 665, 676, 703, 728, 740, 760, 845, 910, 962, 988, 1036, 1040, 1064, 1183, 1235, 1295, 1330, 1352, 1406, 1456, 1480, 1520, 1690, 1729, 1820, 1924, 1976, 2072, 2128, 2366, 2405, 2470, 2590, 2660, 2704, 2812, 2960, 3211, 3367, 3380, 3458, 3515, 3640, 3848, 3952, 4144, 4732, 4810, 4921, 4940, 5180, 5320, 5624, 5915, 6253, 6422, 6734, 6760, 6916, 7030, 7280, 7696, 8645, 9139, 9464, 9620, 9842, 9880, 10360, 10640, 11248, 11830, 12506, 12844, 13468, 13520, 13832, 14060, 16055, 16835, 17290, 18278, 18928, 19240, 19684, 19760, 20720, 22477, 23660, 24605, 25012, 25688, 26936, 27664, 28120, 31265, 32110, 33670, 34580, 36556, 38480, 39368, 43771, 44954, 45695, 47320, 49210, 50024, 51376, 53872, 56240, 62530, 63973, 64220, 67340, 69160, 73112, 78736, 87542, 89908, 91390, 94640, 98420, 100048, 112385, 118807, 125060, 127946, 128440, 134680, 138320, 146224, 175084, 179816, 182780, 196840, 218855, 224770, 237614, 250120, 255892, 256880, 269360, 319865, 350168, 359632, 365560, 393680, 437710, 449540, 475228, 500240, 511784, 594035, 639730, 700336, 731120, 831649, 875420, 899080, 950456, 1023568, 1188070, 1279460, 1663298, 1750840, 1798160, 1900912, 2376140, 2558920, 3326596, 3501680, 4158245, 4752280, 5117840, 6653192, 8316490, 9504560, 13306384, 16632980, 33265960, 66531920]

約数ペア:

[(1, 66531920), (2, 33265960), (4, 16632980), (5, 13306384), (7, 9504560), (8, 8316490), (10, 6653192), (13, 5117840), (14, 4752280), (16, 4158245), (19, 3501680), (20, 3326596), (26, 2558920), (28, 2376140), (35, 1900912), (37, 1798160), (38, 1750840), (40, 1663298), (52, 1279460), (56, 1188070), (65, 1023568), (70, 950456), (74, 899080), (76, 875420), (80, 831649), (91, 731120), (95, 700336), (104, 639730), (112, 594035), (130, 511784), (133, 500240), (140, 475228), (148, 449540), (152, 437710), (169, 393680), (182, 365560), (185, 359632), (190, 350168), (208, 319865), (247, 269360), (259, 256880), (260, 255892), (266, 250120), (280, 237614), (296, 224770), (304, 218855), (338, 196840), (364, 182780), (370, 179816), (380, 175084), (455, 146224), (481, 138320), (494, 134680), (518, 128440), (520, 127946), (532, 125060), (560, 118807), (592, 112385), (665, 100048), (676, 98420), (703, 94640), (728, 91390), (740, 89908), (760, 87542), (845, 78736), (910, 73112), (962, 69160), (988, 67340), (1036, 64220), (1040, 63973), (1064, 62530), (1183, 56240), (1235, 53872), (1295, 51376), (1330, 50024), (1352, 49210), (1406, 47320), (1456, 45695), (1480, 44954), (1520, 43771), (1690, 39368), (1729, 38480), (1820, 36556), (1924, 34580), (1976, 33670), (2072, 32110), (2128, 31265), (2366, 28120), (2405, 27664), (2470, 26936), (2590, 25688), (2660, 25012), (2704, 24605), (2812, 23660), (2960, 22477), (3211, 20720), (3367, 19760), (3380, 19684), (3458, 19240), (3515, 18928), (3640, 18278), (3848, 17290), (3952, 16835), (4144, 16055), (4732, 14060), (4810, 13832), (4921, 13520), (4940, 13468), (5180, 12844), (5320, 12506), (5624, 11830), (5915, 11248), (6253, 10640), (6422, 10360), (6734, 9880), (6760, 9842), (6916, 9620), (7030, 9464), (7280, 9139), (7696, 8645)]