38462940

素因数分解:

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

素因数の和:220

約数の個数: 144

約数和(自身を含む): 123492096

約数和(自身を除く): 85029156

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 31, 36, 45, 60, 61, 62, 90, 93, 113, 122, 124, 155, 180, 183, 186, 226, 244, 279, 305, 310, 339, 366, 372, 452, 465, 549, 558, 565, 610, 620, 678, 732, 915, 930, 1017, 1098, 1116, 1130, 1220, 1356, 1395, 1695, 1830, 1860, 1891, 2034, 2196, 2260, 2745, 2790, 3390, 3503, 3660, 3782, 4068, 5085, 5490, 5580, 5673, 6780, 6893, 7006, 7564, 9455, 10170, 10509, 10980, 11346, 13786, 14012, 17019, 17515, 18910, 20340, 20679, 21018, 22692, 27572, 28365, 31527, 34038, 34465, 35030, 37820, 41358, 42036, 52545, 56730, 62037, 63054, 68076, 68930, 70060, 82716, 85095, 103395, 105090, 113460, 124074, 126108, 137860, 157635, 170190, 206790, 210180, 213683, 248148, 310185, 315270, 340380, 413580, 427366, 620370, 630540, 641049, 854732, 1068415, 1240740, 1282098, 1923147, 2136830, 2564196, 3205245, 3846294, 4273660, 6410490, 7692588, 9615735, 12820980, 19231470, 38462940]

約数ペア:

[(1, 38462940), (2, 19231470), (3, 12820980), (4, 9615735), (5, 7692588), (6, 6410490), (9, 4273660), (10, 3846294), (12, 3205245), (15, 2564196), (18, 2136830), (20, 1923147), (30, 1282098), (31, 1240740), (36, 1068415), (45, 854732), (60, 641049), (61, 630540), (62, 620370), (90, 427366), (93, 413580), (113, 340380), (122, 315270), (124, 310185), (155, 248148), (180, 213683), (183, 210180), (186, 206790), (226, 170190), (244, 157635), (279, 137860), (305, 126108), (310, 124074), (339, 113460), (366, 105090), (372, 103395), (452, 85095), (465, 82716), (549, 70060), (558, 68930), (565, 68076), (610, 63054), (620, 62037), (678, 56730), (732, 52545), (915, 42036), (930, 41358), (1017, 37820), (1098, 35030), (1116, 34465), (1130, 34038), (1220, 31527), (1356, 28365), (1395, 27572), (1695, 22692), (1830, 21018), (1860, 20679), (1891, 20340), (2034, 18910), (2196, 17515), (2260, 17019), (2745, 14012), (2790, 13786), (3390, 11346), (3503, 10980), (3660, 10509), (3782, 10170), (4068, 9455), (5085, 7564), (5490, 7006), (5580, 6893), (5673, 6780)]