12820980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{113}}^1$

素因数の和:217

約数の個数: 96

約数和(自身を含む): 37997568

約数和(自身を除く): 25176588

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 31, 60, 61, 62, 93, 113, 122, 124, 155, 183, 186, 226, 244, 305, 310, 339, 366, 372, 452, 465, 565, 610, 620, 678, 732, 915, 930, 1130, 1220, 1356, 1695, 1830, 1860, 1891, 2260, 3390, 3503, 3660, 3782, 5673, 6780, 6893, 7006, 7564, 9455, 10509, 11346, 13786, 14012, 17515, 18910, 20679, 21018, 22692, 27572, 28365, 34465, 35030, 37820, 41358, 42036, 52545, 56730, 68930, 70060, 82716, 103395, 105090, 113460, 137860, 206790, 210180, 213683, 413580, 427366, 641049, 854732, 1068415, 1282098, 2136830, 2564196, 3205245, 4273660, 6410490, 12820980]

約数ペア:

[(1, 12820980), (2, 6410490), (3, 4273660), (4, 3205245), (5, 2564196), (6, 2136830), (10, 1282098), (12, 1068415), (15, 854732), (20, 641049), (30, 427366), (31, 413580), (60, 213683), (61, 210180), (62, 206790), (93, 137860), (113, 113460), (122, 105090), (124, 103395), (155, 82716), (183, 70060), (186, 68930), (226, 56730), (244, 52545), (305, 42036), (310, 41358), (339, 37820), (366, 35030), (372, 34465), (452, 28365), (465, 27572), (565, 22692), (610, 21018), (620, 20679), (678, 18910), (732, 17515), (915, 14012), (930, 13786), (1130, 11346), (1220, 10509), (1356, 9455), (1695, 7564), (1830, 7006), (1860, 6893), (1891, 6780), (2260, 5673), (3390, 3782), (3503, 3660)]