636546560

素因数分解:

$2^9\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{617}}^1$

素因数の和:684

約数の個数: 160

約数和(自身を含む): 1699391232

約数和(自身を除く): 1062844672

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 31, 32, 40, 52, 62, 64, 65, 80, 104, 124, 128, 130, 155, 160, 208, 248, 256, 260, 310, 320, 403, 416, 496, 512, 520, 617, 620, 640, 806, 832, 992, 1040, 1234, 1240, 1280, 1612, 1664, 1984, 2015, 2080, 2468, 2480, 2560, 3085, 3224, 3328, 3968, 4030, 4160, 4936, 4960, 6170, 6448, 6656, 7936, 8021, 8060, 8320, 9872, 9920, 12340, 12896, 15872, 16042, 16120, 16640, 19127, 19744, 19840, 24680, 25792, 32084, 32240, 33280, 38254, 39488, 39680, 40105, 49360, 51584, 64168, 64480, 76508, 78976, 79360, 80210, 95635, 98720, 103168, 128336, 128960, 153016, 157952, 160420, 191270, 197440, 206336, 248651, 256672, 257920, 306032, 315904, 320840, 382540, 394880, 497302, 513344, 515840, 612064, 641680, 765080, 789760, 994604, 1026688, 1031680, 1224128, 1243255, 1283360, 1530160, 1579520, 1989208, 2053376, 2448256, 2486510, 2566720, 3060320, 3978416, 4106752, 4896512, 4973020, 5133440, 6120640, 7956832, 9793024, 9946040, 10266880, 12241280, 15913664, 19892080, 20533760, 24482560, 31827328, 39784160, 48965120, 63654656, 79568320, 127309312, 159136640, 318273280, 636546560]

約数ペア:

[(1, 636546560), (2, 318273280), (4, 159136640), (5, 127309312), (8, 79568320), (10, 63654656), (13, 48965120), (16, 39784160), (20, 31827328), (26, 24482560), (31, 20533760), (32, 19892080), (40, 15913664), (52, 12241280), (62, 10266880), (64, 9946040), (65, 9793024), (80, 7956832), (104, 6120640), (124, 5133440), (128, 4973020), (130, 4896512), (155, 4106752), (160, 3978416), (208, 3060320), (248, 2566720), (256, 2486510), (260, 2448256), (310, 2053376), (320, 1989208), (403, 1579520), (416, 1530160), (496, 1283360), (512, 1243255), (520, 1224128), (617, 1031680), (620, 1026688), (640, 994604), (806, 789760), (832, 765080), (992, 641680), (1040, 612064), (1234, 515840), (1240, 513344), (1280, 497302), (1612, 394880), (1664, 382540), (1984, 320840), (2015, 315904), (2080, 306032), (2468, 257920), (2480, 256672), (2560, 248651), (3085, 206336), (3224, 197440), (3328, 191270), (3968, 160420), (4030, 157952), (4160, 153016), (4936, 128960), (4960, 128336), (6170, 103168), (6448, 98720), (6656, 95635), (7936, 80210), (8021, 79360), (8060, 78976), (8320, 76508), (9872, 64480), (9920, 64168), (12340, 51584), (12896, 49360), (15872, 40105), (16042, 39680), (16120, 39488), (16640, 38254), (19127, 33280), (19744, 32240), (19840, 32084), (24680, 25792)]