31273620

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{3919}}^1$

素因数の和:3957

約数の個数: 96

約数和(自身を含む): 105369600

約数和(自身を除く): 74095980

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 19, 20, 21, 28, 30, 35, 38, 42, 57, 60, 70, 76, 84, 95, 105, 114, 133, 140, 190, 210, 228, 266, 285, 380, 399, 420, 532, 570, 665, 798, 1140, 1330, 1596, 1995, 2660, 3919, 3990, 7838, 7980, 11757, 15676, 19595, 23514, 27433, 39190, 47028, 54866, 58785, 74461, 78380, 82299, 109732, 117570, 137165, 148922, 164598, 223383, 235140, 274330, 297844, 329196, 372305, 411495, 446766, 521227, 548660, 744610, 822990, 893532, 1042454, 1116915, 1489220, 1563681, 1645980, 2084908, 2233830, 2606135, 3127362, 4467660, 5212270, 6254724, 7818405, 10424540, 15636810, 31273620]

約数ペア:

[(1, 31273620), (2, 15636810), (3, 10424540), (4, 7818405), (5, 6254724), (6, 5212270), (7, 4467660), (10, 3127362), (12, 2606135), (14, 2233830), (15, 2084908), (19, 1645980), (20, 1563681), (21, 1489220), (28, 1116915), (30, 1042454), (35, 893532), (38, 822990), (42, 744610), (57, 548660), (60, 521227), (70, 446766), (76, 411495), (84, 372305), (95, 329196), (105, 297844), (114, 274330), (133, 235140), (140, 223383), (190, 164598), (210, 148922), (228, 137165), (266, 117570), (285, 109732), (380, 82299), (399, 78380), (420, 74461), (532, 58785), (570, 54866), (665, 47028), (798, 39190), (1140, 27433), (1330, 23514), (1596, 19595), (1995, 15676), (2660, 11757), (3919, 7980), (3990, 7838)]