71764480

素因数分解:

$2^9\times 5^1\times {\mathrm{17}}^2\times {\mathrm{97}}^1$

素因数の和:154

約数の個数: 120

約数和(自身を含む): 184667868

約数和(自身を除く): 112903388

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 64, 68, 80, 85, 97, 128, 136, 160, 170, 194, 256, 272, 289, 320, 340, 388, 485, 512, 544, 578, 640, 680, 776, 970, 1088, 1156, 1280, 1360, 1445, 1552, 1649, 1940, 2176, 2312, 2560, 2720, 2890, 3104, 3298, 3880, 4352, 4624, 5440, 5780, 6208, 6596, 7760, 8245, 8704, 9248, 10880, 11560, 12416, 13192, 15520, 16490, 18496, 21760, 23120, 24832, 26384, 28033, 31040, 32980, 36992, 43520, 46240, 49664, 52768, 56066, 62080, 65960, 73984, 92480, 105536, 112132, 124160, 131920, 140165, 147968, 184960, 211072, 224264, 248320, 263840, 280330, 369920, 422144, 448528, 527680, 560660, 739840, 844288, 897056, 1055360, 1121320, 1794112, 2110720, 2242640, 3588224, 4221440, 4485280, 7176448, 8970560, 14352896, 17941120, 35882240, 71764480]

約数ペア:

[(1, 71764480), (2, 35882240), (4, 17941120), (5, 14352896), (8, 8970560), (10, 7176448), (16, 4485280), (17, 4221440), (20, 3588224), (32, 2242640), (34, 2110720), (40, 1794112), (64, 1121320), (68, 1055360), (80, 897056), (85, 844288), (97, 739840), (128, 560660), (136, 527680), (160, 448528), (170, 422144), (194, 369920), (256, 280330), (272, 263840), (289, 248320), (320, 224264), (340, 211072), (388, 184960), (485, 147968), (512, 140165), (544, 131920), (578, 124160), (640, 112132), (680, 105536), (776, 92480), (970, 73984), (1088, 65960), (1156, 62080), (1280, 56066), (1360, 52768), (1445, 49664), (1552, 46240), (1649, 43520), (1940, 36992), (2176, 32980), (2312, 31040), (2560, 28033), (2720, 26384), (2890, 24832), (3104, 23120), (3298, 21760), (3880, 18496), (4352, 16490), (4624, 15520), (5440, 13192), (5780, 12416), (6208, 11560), (6596, 10880), (7760, 9248), (8245, 8704)]