728405880

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{151}}^1\times {\mathrm{659}}^1$

素因数の和:885

約数の個数: 128

約数和(自身を含む): 2239142400

約数和(自身を除く): 1510736520

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 61, 120, 122, 151, 183, 244, 302, 305, 366, 453, 488, 604, 610, 659, 732, 755, 906, 915, 1208, 1220, 1318, 1464, 1510, 1812, 1830, 1977, 2265, 2440, 2636, 3020, 3295, 3624, 3660, 3954, 4530, 5272, 6040, 6590, 7320, 7908, 9060, 9211, 9885, 13180, 15816, 18120, 18422, 19770, 26360, 27633, 36844, 39540, 40199, 46055, 55266, 73688, 79080, 80398, 92110, 99509, 110532, 120597, 138165, 160796, 184220, 199018, 200995, 221064, 241194, 276330, 298527, 321592, 368440, 398036, 401990, 482388, 497545, 552660, 597054, 602985, 796072, 803980, 964776, 995090, 1105320, 1194108, 1205970, 1492635, 1607960, 1990180, 2388216, 2411940, 2985270, 3980360, 4823880, 5970540, 6070049, 11941080, 12140098, 18210147, 24280196, 30350245, 36420294, 48560392, 60700490, 72840588, 91050735, 121400980, 145681176, 182101470, 242801960, 364202940, 728405880]

約数ペア:

[(1, 728405880), (2, 364202940), (3, 242801960), (4, 182101470), (5, 145681176), (6, 121400980), (8, 91050735), (10, 72840588), (12, 60700490), (15, 48560392), (20, 36420294), (24, 30350245), (30, 24280196), (40, 18210147), (60, 12140098), (61, 11941080), (120, 6070049), (122, 5970540), (151, 4823880), (183, 3980360), (244, 2985270), (302, 2411940), (305, 2388216), (366, 1990180), (453, 1607960), (488, 1492635), (604, 1205970), (610, 1194108), (659, 1105320), (732, 995090), (755, 964776), (906, 803980), (915, 796072), (1208, 602985), (1220, 597054), (1318, 552660), (1464, 497545), (1510, 482388), (1812, 401990), (1830, 398036), (1977, 368440), (2265, 321592), (2440, 298527), (2636, 276330), (3020, 241194), (3295, 221064), (3624, 200995), (3660, 199018), (3954, 184220), (4530, 160796), (5272, 138165), (6040, 120597), (6590, 110532), (7320, 99509), (7908, 92110), (9060, 80398), (9211, 79080), (9885, 73688), (13180, 55266), (15816, 46055), (18120, 40199), (18422, 39540), (19770, 36844), (26360, 27633)]