178221030

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{26881}}^1$

素因数の和:26921

約数の個数: 64

約数和(自身を含む): 487747008

約数和(自身を除く): 309525978

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 17, 26, 30, 34, 39, 51, 65, 78, 85, 102, 130, 170, 195, 221, 255, 390, 442, 510, 663, 1105, 1326, 2210, 3315, 6630, 26881, 53762, 80643, 134405, 161286, 268810, 349453, 403215, 456977, 698906, 806430, 913954, 1048359, 1370931, 1747265, 2096718, 2284885, 2741862, 3494530, 4569770, 5241795, 5940701, 6854655, 10483590, 11881402, 13709310, 17822103, 29703505, 35644206, 59407010, 89110515, 178221030]

約数ペア:

[(1, 178221030), (2, 89110515), (3, 59407010), (5, 35644206), (6, 29703505), (10, 17822103), (13, 13709310), (15, 11881402), (17, 10483590), (26, 6854655), (30, 5940701), (34, 5241795), (39, 4569770), (51, 3494530), (65, 2741862), (78, 2284885), (85, 2096718), (102, 1747265), (130, 1370931), (170, 1048359), (195, 913954), (221, 806430), (255, 698906), (390, 456977), (442, 403215), (510, 349453), (663, 268810), (1105, 161286), (1326, 134405), (2210, 80643), (3315, 53762), (6630, 26881)]