72640020

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{89}}^1\times {\mathrm{223}}^1$

素因数の和:385

約数の個数: 96

約数和(自身を含む): 209986560

約数和(自身を除く): 137346540

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 61, 89, 122, 178, 183, 223, 244, 267, 305, 356, 366, 445, 446, 534, 610, 669, 732, 890, 892, 915, 1068, 1115, 1220, 1335, 1338, 1780, 1830, 2230, 2670, 2676, 3345, 3660, 4460, 5340, 5429, 6690, 10858, 13380, 13603, 16287, 19847, 21716, 27145, 27206, 32574, 39694, 40809, 54290, 54412, 59541, 65148, 68015, 79388, 81435, 81618, 99235, 108580, 119082, 136030, 162870, 163236, 198470, 204045, 238164, 272060, 297705, 325740, 396940, 408090, 595410, 816180, 1190820, 1210667, 2421334, 3632001, 4842668, 6053335, 7264002, 12106670, 14528004, 18160005, 24213340, 36320010, 72640020]

約数ペア:

[(1, 72640020), (2, 36320010), (3, 24213340), (4, 18160005), (5, 14528004), (6, 12106670), (10, 7264002), (12, 6053335), (15, 4842668), (20, 3632001), (30, 2421334), (60, 1210667), (61, 1190820), (89, 816180), (122, 595410), (178, 408090), (183, 396940), (223, 325740), (244, 297705), (267, 272060), (305, 238164), (356, 204045), (366, 198470), (445, 163236), (446, 162870), (534, 136030), (610, 119082), (669, 108580), (732, 99235), (890, 81618), (892, 81435), (915, 79388), (1068, 68015), (1115, 65148), (1220, 59541), (1335, 54412), (1338, 54290), (1780, 40809), (1830, 39694), (2230, 32574), (2670, 27206), (2676, 27145), (3345, 21716), (3660, 19847), (4460, 16287), (5340, 13603), (5429, 13380), (6690, 10858)]