159654820

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{881}}^1$

素因数の和:961

約数の個数: 96

約数和(自身を含む): 392073696

約数和(自身を除く): 232418876

約数列:

[1, 2, 4, 5, 10, 13, 17, 20, 26, 34, 41, 52, 65, 68, 82, 85, 130, 164, 170, 205, 221, 260, 340, 410, 442, 533, 697, 820, 881, 884, 1066, 1105, 1394, 1762, 2132, 2210, 2665, 2788, 3485, 3524, 4405, 4420, 5330, 6970, 8810, 9061, 10660, 11453, 13940, 14977, 17620, 18122, 22906, 29954, 36121, 36244, 45305, 45812, 57265, 59908, 72242, 74885, 90610, 114530, 144484, 149770, 180605, 181220, 194701, 229060, 299540, 361210, 389402, 469573, 614057, 722420, 778804, 939146, 973505, 1228114, 1878292, 1947010, 2347865, 2456228, 3070285, 3894020, 4695730, 6140570, 7982741, 9391460, 12281140, 15965482, 31930964, 39913705, 79827410, 159654820]

約数ペア:

[(1, 159654820), (2, 79827410), (4, 39913705), (5, 31930964), (10, 15965482), (13, 12281140), (17, 9391460), (20, 7982741), (26, 6140570), (34, 4695730), (41, 3894020), (52, 3070285), (65, 2456228), (68, 2347865), (82, 1947010), (85, 1878292), (130, 1228114), (164, 973505), (170, 939146), (205, 778804), (221, 722420), (260, 614057), (340, 469573), (410, 389402), (442, 361210), (533, 299540), (697, 229060), (820, 194701), (881, 181220), (884, 180605), (1066, 149770), (1105, 144484), (1394, 114530), (1762, 90610), (2132, 74885), (2210, 72242), (2665, 59908), (2788, 57265), (3485, 45812), (3524, 45305), (4405, 36244), (4420, 36121), (5330, 29954), (6970, 22906), (8810, 18122), (9061, 17620), (10660, 14977), (11453, 13940)]