61888890

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{15511}}^1$

素因数の和:15547

約数の個数: 64

約数和(自身を含む): 178698240

約数和(自身を除く): 116809350

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 19, 21, 30, 35, 38, 42, 57, 70, 95, 105, 114, 133, 190, 210, 266, 285, 399, 570, 665, 798, 1330, 1995, 3990, 15511, 31022, 46533, 77555, 93066, 108577, 155110, 217154, 232665, 294709, 325731, 465330, 542885, 589418, 651462, 884127, 1085770, 1473545, 1628655, 1768254, 2062963, 2947090, 3257310, 4125926, 4420635, 6188889, 8841270, 10314815, 12377778, 20629630, 30944445, 61888890]

約数ペア:

[(1, 61888890), (2, 30944445), (3, 20629630), (5, 12377778), (6, 10314815), (7, 8841270), (10, 6188889), (14, 4420635), (15, 4125926), (19, 3257310), (21, 2947090), (30, 2062963), (35, 1768254), (38, 1628655), (42, 1473545), (57, 1085770), (70, 884127), (95, 651462), (105, 589418), (114, 542885), (133, 465330), (190, 325731), (210, 294709), (266, 232665), (285, 217154), (399, 155110), (570, 108577), (665, 93066), (798, 77555), (1330, 46533), (1995, 31022), (3990, 15511)]