78526980

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{62323}}^1$

素因数の和:62345

約数の個数: 72

約数和(自身を含む): 272231232

約数和(自身を除く): 193704252

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 420, 630, 1260, 62323, 124646, 186969, 249292, 311615, 373938, 436261, 560907, 623230, 747876, 872522, 934845, 1121814, 1246460, 1308783, 1745044, 1869690, 2181305, 2243628, 2617566, 2804535, 3739380, 3926349, 4362610, 5235132, 5609070, 6543915, 7852698, 8725220, 11218140, 13087830, 15705396, 19631745, 26175660, 39263490, 78526980]

約数ペア:

[(1, 78526980), (2, 39263490), (3, 26175660), (4, 19631745), (5, 15705396), (6, 13087830), (7, 11218140), (9, 8725220), (10, 7852698), (12, 6543915), (14, 5609070), (15, 5235132), (18, 4362610), (20, 3926349), (21, 3739380), (28, 2804535), (30, 2617566), (35, 2243628), (36, 2181305), (42, 1869690), (45, 1745044), (60, 1308783), (63, 1246460), (70, 1121814), (84, 934845), (90, 872522), (105, 747876), (126, 623230), (140, 560907), (180, 436261), (210, 373938), (252, 311615), (315, 249292), (420, 186969), (630, 124646), (1260, 62323)]