1645460480

素因数分解:

$2^{10}\times 5^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{157}}^1$

素因数の和:294

約数の個数: 176

約数和(自身を含む): 4191600960

約数和(自身を除く): 2546140480

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 32, 40, 46, 64, 80, 89, 92, 115, 128, 157, 160, 178, 184, 230, 256, 314, 320, 356, 368, 445, 460, 512, 628, 640, 712, 736, 785, 890, 920, 1024, 1256, 1280, 1424, 1472, 1570, 1780, 1840, 2047, 2512, 2560, 2848, 2944, 3140, 3560, 3611, 3680, 4094, 5024, 5120, 5696, 5888, 6280, 7120, 7222, 7360, 8188, 10048, 10235, 11392, 11776, 12560, 13973, 14240, 14444, 14720, 16376, 18055, 20096, 20470, 22784, 23552, 25120, 27946, 28480, 28888, 29440, 32752, 36110, 40192, 40940, 45568, 50240, 55892, 56960, 57776, 58880, 65504, 69865, 72220, 80384, 81880, 91136, 100480, 111784, 113920, 115552, 117760, 131008, 139730, 144440, 160768, 163760, 200960, 223568, 227840, 231104, 262016, 279460, 288880, 321379, 327520, 401920, 447136, 455680, 462208, 524032, 558920, 577760, 642758, 655040, 803840, 894272, 924416, 1048064, 1117840, 1155520, 1285516, 1310080, 1606895, 1788544, 1848832, 2096128, 2235680, 2311040, 2571032, 2620160, 3213790, 3577088, 3697664, 4471360, 4622080, 5142064, 5240320, 6427580, 7154176, 8942720, 9244160, 10284128, 10480640, 12855160, 14308352, 17885440, 18488320, 20568256, 25710320, 35770880, 41136512, 51420640, 71541760, 82273024, 102841280, 164546048, 205682560, 329092096, 411365120, 822730240, 1645460480]

約数ペア:

[(1, 1645460480), (2, 822730240), (4, 411365120), (5, 329092096), (8, 205682560), (10, 164546048), (16, 102841280), (20, 82273024), (23, 71541760), (32, 51420640), (40, 41136512), (46, 35770880), (64, 25710320), (80, 20568256), (89, 18488320), (92, 17885440), (115, 14308352), (128, 12855160), (157, 10480640), (160, 10284128), (178, 9244160), (184, 8942720), (230, 7154176), (256, 6427580), (314, 5240320), (320, 5142064), (356, 4622080), (368, 4471360), (445, 3697664), (460, 3577088), (512, 3213790), (628, 2620160), (640, 2571032), (712, 2311040), (736, 2235680), (785, 2096128), (890, 1848832), (920, 1788544), (1024, 1606895), (1256, 1310080), (1280, 1285516), (1424, 1155520), (1472, 1117840), (1570, 1048064), (1780, 924416), (1840, 894272), (2047, 803840), (2512, 655040), (2560, 642758), (2848, 577760), (2944, 558920), (3140, 524032), (3560, 462208), (3611, 455680), (3680, 447136), (4094, 401920), (5024, 327520), (5120, 321379), (5696, 288880), (5888, 279460), (6280, 262016), (7120, 231104), (7222, 227840), (7360, 223568), (8188, 200960), (10048, 163760), (10235, 160768), (11392, 144440), (11776, 139730), (12560, 131008), (13973, 117760), (14240, 115552), (14444, 113920), (14720, 111784), (16376, 100480), (18055, 91136), (20096, 81880), (20470, 80384), (22784, 72220), (23552, 69865), (25120, 65504), (27946, 58880), (28480, 57776), (28888, 56960), (29440, 55892), (32752, 50240), (36110, 45568), (40192, 40940)]