128745036

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{79}}^1\times {\mathrm{223}}^1$

素因数の和:348

約数の個数: 144

約数和(自身を含む): 391372800

約数和(自身を除く): 262627764

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 29, 36, 42, 58, 63, 79, 84, 87, 116, 126, 158, 174, 203, 223, 237, 252, 261, 316, 348, 406, 446, 474, 522, 553, 609, 669, 711, 812, 892, 948, 1044, 1106, 1218, 1338, 1422, 1561, 1659, 1827, 2007, 2212, 2291, 2436, 2676, 2844, 3122, 3318, 3654, 4014, 4582, 4683, 4977, 6244, 6467, 6636, 6873, 7308, 8028, 9164, 9366, 9954, 12934, 13746, 14049, 16037, 17617, 18732, 19401, 19908, 20619, 25868, 27492, 28098, 32074, 35234, 38802, 41238, 45269, 48111, 52851, 56196, 58203, 64148, 70468, 77604, 82476, 90538, 96222, 105702, 116406, 123319, 135807, 144333, 158553, 181076, 192444, 211404, 232812, 246638, 271614, 288666, 317106, 369957, 407421, 493276, 510893, 543228, 577332, 634212, 739914, 814842, 1021786, 1109871, 1479828, 1532679, 1629684, 2043572, 2219742, 3065358, 3576251, 4439484, 4598037, 6130716, 7152502, 9196074, 10728753, 14305004, 18392148, 21457506, 32186259, 42915012, 64372518, 128745036]

約数ペア:

[(1, 128745036), (2, 64372518), (3, 42915012), (4, 32186259), (6, 21457506), (7, 18392148), (9, 14305004), (12, 10728753), (14, 9196074), (18, 7152502), (21, 6130716), (28, 4598037), (29, 4439484), (36, 3576251), (42, 3065358), (58, 2219742), (63, 2043572), (79, 1629684), (84, 1532679), (87, 1479828), (116, 1109871), (126, 1021786), (158, 814842), (174, 739914), (203, 634212), (223, 577332), (237, 543228), (252, 510893), (261, 493276), (316, 407421), (348, 369957), (406, 317106), (446, 288666), (474, 271614), (522, 246638), (553, 232812), (609, 211404), (669, 192444), (711, 181076), (812, 158553), (892, 144333), (948, 135807), (1044, 123319), (1106, 116406), (1218, 105702), (1338, 96222), (1422, 90538), (1561, 82476), (1659, 77604), (1827, 70468), (2007, 64148), (2212, 58203), (2291, 56196), (2436, 52851), (2676, 48111), (2844, 45269), (3122, 41238), (3318, 38802), (3654, 35234), (4014, 32074), (4582, 28098), (4683, 27492), (4977, 25868), (6244, 20619), (6467, 19908), (6636, 19401), (6873, 18732), (7308, 17617), (8028, 16037), (9164, 14049), (9366, 13746), (9954, 12934)]