644615520

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{197}}^1\times {\mathrm{401}}^1$

素因数の和:633

約数の個数: 192

約数和(自身を含む): 2166284736

約数和(自身を除く): 1521669216

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 17, 20, 24, 30, 32, 34, 40, 48, 51, 60, 68, 80, 85, 96, 102, 120, 136, 160, 170, 197, 204, 240, 255, 272, 340, 394, 401, 408, 480, 510, 544, 591, 680, 788, 802, 816, 985, 1020, 1182, 1203, 1360, 1576, 1604, 1632, 1970, 2005, 2040, 2364, 2406, 2720, 2955, 3152, 3208, 3349, 3940, 4010, 4080, 4728, 4812, 5910, 6015, 6304, 6416, 6698, 6817, 7880, 8020, 8160, 9456, 9624, 10047, 11820, 12030, 12832, 13396, 13634, 15760, 16040, 16745, 18912, 19248, 20094, 20451, 23640, 24060, 26792, 27268, 31520, 32080, 33490, 34085, 38496, 40188, 40902, 47280, 48120, 50235, 53584, 54536, 64160, 66980, 68170, 78997, 80376, 81804, 94560, 96240, 100470, 102255, 107168, 109072, 133960, 136340, 157994, 160752, 163608, 192480, 200940, 204510, 218144, 236991, 267920, 272680, 315988, 321504, 327216, 394985, 401880, 409020, 473982, 535840, 545360, 631976, 654432, 789970, 803760, 818040, 947964, 1090720, 1184955, 1263952, 1342949, 1579940, 1607520, 1636080, 1895928, 2369910, 2527904, 2685898, 3159880, 3272160, 3791856, 4028847, 4739820, 5371796, 6319760, 6714745, 7583712, 8057694, 9479640, 10743592, 12639520, 13429490, 16115388, 18959280, 20144235, 21487184, 26858980, 32230776, 37918560, 40288470, 42974368, 53717960, 64461552, 80576940, 107435920, 128923104, 161153880, 214871840, 322307760, 644615520]

約数ペア:

[(1, 644615520), (2, 322307760), (3, 214871840), (4, 161153880), (5, 128923104), (6, 107435920), (8, 80576940), (10, 64461552), (12, 53717960), (15, 42974368), (16, 40288470), (17, 37918560), (20, 32230776), (24, 26858980), (30, 21487184), (32, 20144235), (34, 18959280), (40, 16115388), (48, 13429490), (51, 12639520), (60, 10743592), (68, 9479640), (80, 8057694), (85, 7583712), (96, 6714745), (102, 6319760), (120, 5371796), (136, 4739820), (160, 4028847), (170, 3791856), (197, 3272160), (204, 3159880), (240, 2685898), (255, 2527904), (272, 2369910), (340, 1895928), (394, 1636080), (401, 1607520), (408, 1579940), (480, 1342949), (510, 1263952), (544, 1184955), (591, 1090720), (680, 947964), (788, 818040), (802, 803760), (816, 789970), (985, 654432), (1020, 631976), (1182, 545360), (1203, 535840), (1360, 473982), (1576, 409020), (1604, 401880), (1632, 394985), (1970, 327216), (2005, 321504), (2040, 315988), (2364, 272680), (2406, 267920), (2720, 236991), (2955, 218144), (3152, 204510), (3208, 200940), (3349, 192480), (3940, 163608), (4010, 160752), (4080, 157994), (4728, 136340), (4812, 133960), (5910, 109072), (6015, 107168), (6304, 102255), (6416, 100470), (6698, 96240), (6817, 94560), (7880, 81804), (8020, 80376), (8160, 78997), (9456, 68170), (9624, 66980), (10047, 64160), (11820, 54536), (12030, 53584), (12832, 50235), (13396, 48120), (13634, 47280), (15760, 40902), (16040, 40188), (16745, 38496), (18912, 34085), (19248, 33490), (20094, 32080), (20451, 31520), (23640, 27268), (24060, 26792)]