478620160

素因数分解:

$2^9\times 5^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{163}}^1$

素因数の和:254

約数の個数: 160

約数和(自身を含む): 1224064512

約数和(自身を除く): 745444352

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 37, 40, 62, 64, 74, 80, 124, 128, 148, 155, 160, 163, 185, 248, 256, 296, 310, 320, 326, 370, 496, 512, 592, 620, 640, 652, 740, 815, 992, 1147, 1184, 1240, 1280, 1304, 1480, 1630, 1984, 2294, 2368, 2480, 2560, 2608, 2960, 3260, 3968, 4588, 4736, 4960, 5053, 5216, 5735, 5920, 6031, 6520, 7936, 9176, 9472, 9920, 10106, 10432, 11470, 11840, 12062, 13040, 15872, 18352, 18944, 19840, 20212, 20864, 22940, 23680, 24124, 25265, 26080, 30155, 36704, 39680, 40424, 41728, 45880, 47360, 48248, 50530, 52160, 60310, 73408, 79360, 80848, 83456, 91760, 94720, 96496, 101060, 104320, 120620, 146816, 161696, 183520, 186961, 192992, 202120, 208640, 241240, 293632, 323392, 367040, 373922, 385984, 404240, 417280, 482480, 587264, 646784, 734080, 747844, 771968, 808480, 934805, 964960, 1293568, 1468160, 1495688, 1543936, 1616960, 1869610, 1929920, 2587136, 2936320, 2991376, 3087872, 3233920, 3739220, 3859840, 5982752, 6467840, 7478440, 7719680, 11965504, 12935680, 14956880, 15439360, 23931008, 29913760, 47862016, 59827520, 95724032, 119655040, 239310080, 478620160]

約数ペア:

[(1, 478620160), (2, 239310080), (4, 119655040), (5, 95724032), (8, 59827520), (10, 47862016), (16, 29913760), (20, 23931008), (31, 15439360), (32, 14956880), (37, 12935680), (40, 11965504), (62, 7719680), (64, 7478440), (74, 6467840), (80, 5982752), (124, 3859840), (128, 3739220), (148, 3233920), (155, 3087872), (160, 2991376), (163, 2936320), (185, 2587136), (248, 1929920), (256, 1869610), (296, 1616960), (310, 1543936), (320, 1495688), (326, 1468160), (370, 1293568), (496, 964960), (512, 934805), (592, 808480), (620, 771968), (640, 747844), (652, 734080), (740, 646784), (815, 587264), (992, 482480), (1147, 417280), (1184, 404240), (1240, 385984), (1280, 373922), (1304, 367040), (1480, 323392), (1630, 293632), (1984, 241240), (2294, 208640), (2368, 202120), (2480, 192992), (2560, 186961), (2608, 183520), (2960, 161696), (3260, 146816), (3968, 120620), (4588, 104320), (4736, 101060), (4960, 96496), (5053, 94720), (5216, 91760), (5735, 83456), (5920, 80848), (6031, 79360), (6520, 73408), (7936, 60310), (9176, 52160), (9472, 50530), (9920, 48248), (10106, 47360), (10432, 45880), (11470, 41728), (11840, 40424), (12062, 39680), (13040, 36704), (15872, 30155), (18352, 26080), (18944, 25265), (19840, 24124), (20212, 23680), (20864, 22940)]