80954820

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23671}}^1$

素因数の和:23705

約数の個数: 72

約数和(自身を含む): 258498240

約数和(自身を除く): 177543420

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 30, 36, 38, 45, 57, 60, 76, 90, 95, 114, 171, 180, 190, 228, 285, 342, 380, 570, 684, 855, 1140, 1710, 3420, 23671, 47342, 71013, 94684, 118355, 142026, 213039, 236710, 284052, 355065, 426078, 449749, 473420, 710130, 852156, 899498, 1065195, 1349247, 1420260, 1798996, 2130390, 2248745, 2698494, 4047741, 4260780, 4497490, 5396988, 6746235, 8095482, 8994980, 13492470, 16190964, 20238705, 26984940, 40477410, 80954820]

約数ペア:

[(1, 80954820), (2, 40477410), (3, 26984940), (4, 20238705), (5, 16190964), (6, 13492470), (9, 8994980), (10, 8095482), (12, 6746235), (15, 5396988), (18, 4497490), (19, 4260780), (20, 4047741), (30, 2698494), (36, 2248745), (38, 2130390), (45, 1798996), (57, 1420260), (60, 1349247), (76, 1065195), (90, 899498), (95, 852156), (114, 710130), (171, 473420), (180, 449749), (190, 426078), (228, 355065), (285, 284052), (342, 236710), (380, 213039), (570, 142026), (684, 118355), (855, 94684), (1140, 71013), (1710, 47342), (3420, 23671)]