71618820

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{1009}}^1$

素因数の和:1054

約数の個数: 144

約数和(自身を含む): 248411520

約数和(自身を除く): 176792700

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 13, 14, 15, 20, 21, 26, 28, 30, 35, 39, 42, 52, 60, 65, 70, 78, 84, 91, 105, 130, 140, 156, 169, 182, 195, 210, 260, 273, 338, 364, 390, 420, 455, 507, 546, 676, 780, 845, 910, 1009, 1014, 1092, 1183, 1365, 1690, 1820, 2018, 2028, 2366, 2535, 2730, 3027, 3380, 3549, 4036, 4732, 5045, 5070, 5460, 5915, 6054, 7063, 7098, 10090, 10140, 11830, 12108, 13117, 14126, 14196, 15135, 17745, 20180, 21189, 23660, 26234, 28252, 30270, 35315, 35490, 39351, 42378, 52468, 60540, 65585, 70630, 70980, 78702, 84756, 91819, 105945, 131170, 141260, 157404, 170521, 183638, 196755, 211890, 262340, 275457, 341042, 367276, 393510, 423780, 459095, 511563, 550914, 682084, 787020, 852605, 918190, 1023126, 1101828, 1193647, 1377285, 1705210, 1836380, 2046252, 2387294, 2557815, 2754570, 3410420, 3580941, 4774588, 5115630, 5509140, 5968235, 7161882, 10231260, 11936470, 14323764, 17904705, 23872940, 35809410, 71618820]

約数ペア:

[(1, 71618820), (2, 35809410), (3, 23872940), (4, 17904705), (5, 14323764), (6, 11936470), (7, 10231260), (10, 7161882), (12, 5968235), (13, 5509140), (14, 5115630), (15, 4774588), (20, 3580941), (21, 3410420), (26, 2754570), (28, 2557815), (30, 2387294), (35, 2046252), (39, 1836380), (42, 1705210), (52, 1377285), (60, 1193647), (65, 1101828), (70, 1023126), (78, 918190), (84, 852605), (91, 787020), (105, 682084), (130, 550914), (140, 511563), (156, 459095), (169, 423780), (182, 393510), (195, 367276), (210, 341042), (260, 275457), (273, 262340), (338, 211890), (364, 196755), (390, 183638), (420, 170521), (455, 157404), (507, 141260), (546, 131170), (676, 105945), (780, 91819), (845, 84756), (910, 78702), (1009, 70980), (1014, 70630), (1092, 65585), (1183, 60540), (1365, 52468), (1690, 42378), (1820, 39351), (2018, 35490), (2028, 35315), (2366, 30270), (2535, 28252), (2730, 26234), (3027, 23660), (3380, 21189), (3549, 20180), (4036, 17745), (4732, 15135), (5045, 14196), (5070, 14126), (5460, 13117), (5915, 12108), (6054, 11830), (7063, 10140), (7098, 10090)]