25641960

素因数分解:

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

素因数の和:219

約数の個数: 128

約数和(自身を含む): 81423360

約数和(自身を除く): 55781400

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 31, 40, 60, 61, 62, 93, 113, 120, 122, 124, 155, 183, 186, 226, 244, 248, 305, 310, 339, 366, 372, 452, 465, 488, 565, 610, 620, 678, 732, 744, 904, 915, 930, 1130, 1220, 1240, 1356, 1464, 1695, 1830, 1860, 1891, 2260, 2440, 2712, 3390, 3503, 3660, 3720, 3782, 4520, 5673, 6780, 6893, 7006, 7320, 7564, 9455, 10509, 11346, 13560, 13786, 14012, 15128, 17515, 18910, 20679, 21018, 22692, 27572, 28024, 28365, 34465, 35030, 37820, 41358, 42036, 45384, 52545, 55144, 56730, 68930, 70060, 75640, 82716, 84072, 103395, 105090, 113460, 137860, 140120, 165432, 206790, 210180, 213683, 226920, 275720, 413580, 420360, 427366, 641049, 827160, 854732, 1068415, 1282098, 1709464, 2136830, 2564196, 3205245, 4273660, 5128392, 6410490, 8547320, 12820980, 25641960]

約数ペア:

[(1, 25641960), (2, 12820980), (3, 8547320), (4, 6410490), (5, 5128392), (6, 4273660), (8, 3205245), (10, 2564196), (12, 2136830), (15, 1709464), (20, 1282098), (24, 1068415), (30, 854732), (31, 827160), (40, 641049), (60, 427366), (61, 420360), (62, 413580), (93, 275720), (113, 226920), (120, 213683), (122, 210180), (124, 206790), (155, 165432), (183, 140120), (186, 137860), (226, 113460), (244, 105090), (248, 103395), (305, 84072), (310, 82716), (339, 75640), (366, 70060), (372, 68930), (452, 56730), (465, 55144), (488, 52545), (565, 45384), (610, 42036), (620, 41358), (678, 37820), (732, 35030), (744, 34465), (904, 28365), (915, 28024), (930, 27572), (1130, 22692), (1220, 21018), (1240, 20679), (1356, 18910), (1464, 17515), (1695, 15128), (1830, 14012), (1860, 13786), (1891, 13560), (2260, 11346), (2440, 10509), (2712, 9455), (3390, 7564), (3503, 7320), (3660, 7006), (3720, 6893), (3782, 6780), (4520, 5673)]