31231620

素因数分解:

$2^2\times 3^2\times 5^1\times 7^2\times {\mathrm{3541}}^1$

素因数の和:3570

約数の個数: 108

約数和(自身を含む): 110234124

約数和(自身を除く): 79002504

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 49, 60, 63, 70, 84, 90, 98, 105, 126, 140, 147, 180, 196, 210, 245, 252, 294, 315, 420, 441, 490, 588, 630, 735, 882, 980, 1260, 1470, 1764, 2205, 2940, 3541, 4410, 7082, 8820, 10623, 14164, 17705, 21246, 24787, 31869, 35410, 42492, 49574, 53115, 63738, 70820, 74361, 99148, 106230, 123935, 127476, 148722, 159345, 173509, 212460, 223083, 247870, 297444, 318690, 347018, 371805, 446166, 495740, 520527, 637380, 694036, 743610, 867545, 892332, 1041054, 1115415, 1487220, 1561581, 1735090, 2082108, 2230830, 2602635, 3123162, 3470180, 4461660, 5205270, 6246324, 7807905, 10410540, 15615810, 31231620]

約数ペア:

[(1, 31231620), (2, 15615810), (3, 10410540), (4, 7807905), (5, 6246324), (6, 5205270), (7, 4461660), (9, 3470180), (10, 3123162), (12, 2602635), (14, 2230830), (15, 2082108), (18, 1735090), (20, 1561581), (21, 1487220), (28, 1115415), (30, 1041054), (35, 892332), (36, 867545), (42, 743610), (45, 694036), (49, 637380), (60, 520527), (63, 495740), (70, 446166), (84, 371805), (90, 347018), (98, 318690), (105, 297444), (126, 247870), (140, 223083), (147, 212460), (180, 173509), (196, 159345), (210, 148722), (245, 127476), (252, 123935), (294, 106230), (315, 99148), (420, 74361), (441, 70820), (490, 63738), (588, 53115), (630, 49574), (735, 42492), (882, 35410), (980, 31869), (1260, 24787), (1470, 21246), (1764, 17705), (2205, 14164), (2940, 10623), (3541, 8820), (4410, 7082)]