180938480

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{233}}^1\times {\mathrm{571}}^1$

素因数の和:834

約数の個数: 80

約数和(自身を含む): 448123104

約数和(自身を除く): 267184624

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 233, 272, 340, 466, 571, 680, 932, 1142, 1165, 1360, 1864, 2284, 2330, 2855, 3728, 3961, 4568, 4660, 5710, 7922, 9136, 9320, 9707, 11420, 15844, 18640, 19414, 19805, 22840, 31688, 38828, 39610, 45680, 48535, 63376, 77656, 79220, 97070, 133043, 155312, 158440, 194140, 266086, 316880, 388280, 532172, 665215, 776560, 1064344, 1330430, 2128688, 2261731, 2660860, 4523462, 5321720, 9046924, 10643440, 11308655, 18093848, 22617310, 36187696, 45234620, 90469240, 180938480]

約数ペア:

[(1, 180938480), (2, 90469240), (4, 45234620), (5, 36187696), (8, 22617310), (10, 18093848), (16, 11308655), (17, 10643440), (20, 9046924), (34, 5321720), (40, 4523462), (68, 2660860), (80, 2261731), (85, 2128688), (136, 1330430), (170, 1064344), (233, 776560), (272, 665215), (340, 532172), (466, 388280), (571, 316880), (680, 266086), (932, 194140), (1142, 158440), (1165, 155312), (1360, 133043), (1864, 97070), (2284, 79220), (2330, 77656), (2855, 63376), (3728, 48535), (3961, 45680), (4568, 39610), (4660, 38828), (5710, 31688), (7922, 22840), (9136, 19805), (9320, 19414), (9707, 18640), (11420, 15844)]