668369920

素因数分解:

$2^{10}\times 5^1\times {\mathrm{31}}^1\times {\mathrm{4211}}^1$

素因数の和:4267

約数の個数: 88

約数和(自身を含む): 1655417088

約数和(自身を除く): 987047168

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 128, 155, 160, 248, 256, 310, 320, 496, 512, 620, 640, 992, 1024, 1240, 1280, 1984, 2480, 2560, 3968, 4211, 4960, 5120, 7936, 8422, 9920, 15872, 16844, 19840, 21055, 31744, 33688, 39680, 42110, 67376, 79360, 84220, 130541, 134752, 158720, 168440, 261082, 269504, 336880, 522164, 539008, 652705, 673760, 1044328, 1078016, 1305410, 1347520, 2088656, 2156032, 2610820, 2695040, 4177312, 4312064, 5221640, 5390080, 8354624, 10443280, 10780160, 16709248, 20886560, 21560320, 33418496, 41773120, 66836992, 83546240, 133673984, 167092480, 334184960, 668369920]

約数ペア:

[(1, 668369920), (2, 334184960), (4, 167092480), (5, 133673984), (8, 83546240), (10, 66836992), (16, 41773120), (20, 33418496), (31, 21560320), (32, 20886560), (40, 16709248), (62, 10780160), (64, 10443280), (80, 8354624), (124, 5390080), (128, 5221640), (155, 4312064), (160, 4177312), (248, 2695040), (256, 2610820), (310, 2156032), (320, 2088656), (496, 1347520), (512, 1305410), (620, 1078016), (640, 1044328), (992, 673760), (1024, 652705), (1240, 539008), (1280, 522164), (1984, 336880), (2480, 269504), (2560, 261082), (3968, 168440), (4211, 158720), (4960, 134752), (5120, 130541), (7936, 84220), (8422, 79360), (9920, 67376), (15872, 42110), (16844, 39680), (19840, 33688), (21055, 31744)]