161516320

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{17}}^2\times {\mathrm{499}}^1$

素因数の和:555

約数の個数: 144

約数和(自身を含む): 464184000

約数和(自身を除く): 302667680

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 17, 20, 28, 32, 34, 35, 40, 56, 68, 70, 80, 85, 112, 119, 136, 140, 160, 170, 224, 238, 272, 280, 289, 340, 476, 499, 544, 560, 578, 595, 680, 952, 998, 1120, 1156, 1190, 1360, 1445, 1904, 1996, 2023, 2312, 2380, 2495, 2720, 2890, 3493, 3808, 3992, 4046, 4624, 4760, 4990, 5780, 6986, 7984, 8092, 8483, 9248, 9520, 9980, 10115, 11560, 13972, 15968, 16184, 16966, 17465, 19040, 19960, 20230, 23120, 27944, 32368, 33932, 34930, 39920, 40460, 42415, 46240, 55888, 59381, 64736, 67864, 69860, 79840, 80920, 84830, 111776, 118762, 135728, 139720, 144211, 161840, 169660, 237524, 271456, 279440, 288422, 296905, 323680, 339320, 475048, 558880, 576844, 593810, 678640, 721055, 950096, 1009477, 1153688, 1187620, 1357280, 1442110, 1900192, 2018954, 2307376, 2375240, 2884220, 4037908, 4614752, 4750480, 5047385, 5768440, 8075816, 9500960, 10094770, 11536880, 16151632, 20189540, 23073760, 32303264, 40379080, 80758160, 161516320]

約数ペア:

[(1, 161516320), (2, 80758160), (4, 40379080), (5, 32303264), (7, 23073760), (8, 20189540), (10, 16151632), (14, 11536880), (16, 10094770), (17, 9500960), (20, 8075816), (28, 5768440), (32, 5047385), (34, 4750480), (35, 4614752), (40, 4037908), (56, 2884220), (68, 2375240), (70, 2307376), (80, 2018954), (85, 1900192), (112, 1442110), (119, 1357280), (136, 1187620), (140, 1153688), (160, 1009477), (170, 950096), (224, 721055), (238, 678640), (272, 593810), (280, 576844), (289, 558880), (340, 475048), (476, 339320), (499, 323680), (544, 296905), (560, 288422), (578, 279440), (595, 271456), (680, 237524), (952, 169660), (998, 161840), (1120, 144211), (1156, 139720), (1190, 135728), (1360, 118762), (1445, 111776), (1904, 84830), (1996, 80920), (2023, 79840), (2312, 69860), (2380, 67864), (2495, 64736), (2720, 59381), (2890, 55888), (3493, 46240), (3808, 42415), (3992, 40460), (4046, 39920), (4624, 34930), (4760, 33932), (4990, 32368), (5780, 27944), (6986, 23120), (7984, 20230), (8092, 19960), (8483, 19040), (9248, 17465), (9520, 16966), (9980, 16184), (10115, 15968), (11560, 13972)]