687313980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{2753}}^1$

素因数の和:2860

約数の個数: 144

約数和(自身を含む): 2225452320

約数和(自身を除く): 1538138340

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 30, 36, 38, 45, 57, 60, 73, 76, 90, 95, 114, 146, 171, 180, 190, 219, 228, 285, 292, 342, 365, 380, 438, 570, 657, 684, 730, 855, 876, 1095, 1140, 1314, 1387, 1460, 1710, 2190, 2628, 2753, 2774, 3285, 3420, 4161, 4380, 5506, 5548, 6570, 6935, 8259, 8322, 11012, 12483, 13140, 13765, 13870, 16518, 16644, 20805, 24777, 24966, 27530, 27740, 33036, 41295, 41610, 49554, 49932, 52307, 55060, 62415, 82590, 83220, 99108, 104614, 123885, 124830, 156921, 165180, 200969, 209228, 247770, 249660, 261535, 313842, 401938, 470763, 495540, 523070, 602907, 627684, 784605, 803876, 941526, 1004845, 1046140, 1205814, 1569210, 1808721, 1883052, 2009690, 2353815, 2411628, 3014535, 3138420, 3617442, 3818411, 4019380, 4707630, 6029070, 7234884, 7636822, 9043605, 9415260, 11455233, 12058140, 15273644, 18087210, 19092055, 22910466, 34365699, 36174420, 38184110, 45820932, 57276165, 68731398, 76368220, 114552330, 137462796, 171828495, 229104660, 343656990, 687313980]

約数ペア:

[(1, 687313980), (2, 343656990), (3, 229104660), (4, 171828495), (5, 137462796), (6, 114552330), (9, 76368220), (10, 68731398), (12, 57276165), (15, 45820932), (18, 38184110), (19, 36174420), (20, 34365699), (30, 22910466), (36, 19092055), (38, 18087210), (45, 15273644), (57, 12058140), (60, 11455233), (73, 9415260), (76, 9043605), (90, 7636822), (95, 7234884), (114, 6029070), (146, 4707630), (171, 4019380), (180, 3818411), (190, 3617442), (219, 3138420), (228, 3014535), (285, 2411628), (292, 2353815), (342, 2009690), (365, 1883052), (380, 1808721), (438, 1569210), (570, 1205814), (657, 1046140), (684, 1004845), (730, 941526), (855, 803876), (876, 784605), (1095, 627684), (1140, 602907), (1314, 523070), (1387, 495540), (1460, 470763), (1710, 401938), (2190, 313842), (2628, 261535), (2753, 249660), (2774, 247770), (3285, 209228), (3420, 200969), (4161, 165180), (4380, 156921), (5506, 124830), (5548, 123885), (6570, 104614), (6935, 99108), (8259, 83220), (8322, 82590), (11012, 62415), (12483, 55060), (13140, 52307), (13765, 49932), (13870, 49554), (16518, 41610), (16644, 41295), (20805, 33036), (24777, 27740), (24966, 27530)]