31655340

素因数分解:

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

素因数の和:141

約数の個数: 144

約数和(自身を含む): 103430880

約数和(自身を除く): 71775540

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 31, 36, 45, 54, 60, 61, 62, 90, 93, 108, 122, 124, 135, 155, 180, 183, 186, 244, 270, 279, 305, 310, 366, 372, 465, 540, 549, 558, 610, 620, 732, 837, 915, 930, 961, 1098, 1116, 1220, 1395, 1647, 1674, 1830, 1860, 1891, 1922, 2196, 2745, 2790, 2883, 3294, 3348, 3660, 3782, 3844, 4185, 4805, 5490, 5580, 5673, 5766, 6588, 7564, 8235, 8370, 8649, 9455, 9610, 10980, 11346, 11532, 14415, 16470, 16740, 17019, 17298, 18910, 19220, 22692, 25947, 28365, 28830, 32940, 34038, 34596, 37820, 43245, 51057, 51894, 56730, 57660, 58621, 68076, 85095, 86490, 102114, 103788, 113460, 117242, 129735, 170190, 172980, 175863, 204228, 234484, 255285, 259470, 293105, 340380, 351726, 510570, 518940, 527589, 586210, 703452, 879315, 1021140, 1055178, 1172420, 1582767, 1758630, 2110356, 2637945, 3165534, 3517260, 5275890, 6331068, 7913835, 10551780, 15827670, 31655340]

約数ペア:

[(1, 31655340), (2, 15827670), (3, 10551780), (4, 7913835), (5, 6331068), (6, 5275890), (9, 3517260), (10, 3165534), (12, 2637945), (15, 2110356), (18, 1758630), (20, 1582767), (27, 1172420), (30, 1055178), (31, 1021140), (36, 879315), (45, 703452), (54, 586210), (60, 527589), (61, 518940), (62, 510570), (90, 351726), (93, 340380), (108, 293105), (122, 259470), (124, 255285), (135, 234484), (155, 204228), (180, 175863), (183, 172980), (186, 170190), (244, 129735), (270, 117242), (279, 113460), (305, 103788), (310, 102114), (366, 86490), (372, 85095), (465, 68076), (540, 58621), (549, 57660), (558, 56730), (610, 51894), (620, 51057), (732, 43245), (837, 37820), (915, 34596), (930, 34038), (961, 32940), (1098, 28830), (1116, 28365), (1220, 25947), (1395, 22692), (1647, 19220), (1674, 18910), (1830, 17298), (1860, 17019), (1891, 16740), (1922, 16470), (2196, 14415), (2745, 11532), (2790, 11346), (2883, 10980), (3294, 9610), (3348, 9455), (3660, 8649), (3782, 8370), (3844, 8235), (4185, 7564), (4805, 6588), (5490, 5766), (5580, 5673)]