31285020

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{2111}}^1$

素因数の和:2155

約数の個数: 96

約数和(自身を含む): 99348480

約数和(自身を除く): 68063460

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 19, 20, 26, 30, 38, 39, 52, 57, 60, 65, 76, 78, 95, 114, 130, 156, 190, 195, 228, 247, 260, 285, 380, 390, 494, 570, 741, 780, 988, 1140, 1235, 1482, 2111, 2470, 2964, 3705, 4222, 4940, 6333, 7410, 8444, 10555, 12666, 14820, 21110, 25332, 27443, 31665, 40109, 42220, 54886, 63330, 80218, 82329, 109772, 120327, 126660, 137215, 160436, 164658, 200545, 240654, 274430, 329316, 401090, 411645, 481308, 521417, 548860, 601635, 802180, 823290, 1042834, 1203270, 1564251, 1646580, 2085668, 2406540, 2607085, 3128502, 5214170, 6257004, 7821255, 10428340, 15642510, 31285020]

約数ペア:

[(1, 31285020), (2, 15642510), (3, 10428340), (4, 7821255), (5, 6257004), (6, 5214170), (10, 3128502), (12, 2607085), (13, 2406540), (15, 2085668), (19, 1646580), (20, 1564251), (26, 1203270), (30, 1042834), (38, 823290), (39, 802180), (52, 601635), (57, 548860), (60, 521417), (65, 481308), (76, 411645), (78, 401090), (95, 329316), (114, 274430), (130, 240654), (156, 200545), (190, 164658), (195, 160436), (228, 137215), (247, 126660), (260, 120327), (285, 109772), (380, 82329), (390, 80218), (494, 63330), (570, 54886), (741, 42220), (780, 40109), (988, 31665), (1140, 27443), (1235, 25332), (1482, 21110), (2111, 14820), (2470, 12666), (2964, 10555), (3705, 8444), (4222, 7410), (4940, 6333)]