728037440

素因数分解:

$2^6\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{151}}^1$

素因数の和:261

約数の個数: 224

約数和(自身を含む): 2010704640

約数和(自身を除く): 1282667200

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 19, 20, 26, 32, 38, 40, 52, 61, 64, 65, 76, 80, 95, 104, 122, 130, 151, 152, 160, 190, 208, 244, 247, 260, 302, 304, 305, 320, 380, 416, 488, 494, 520, 604, 608, 610, 755, 760, 793, 832, 976, 988, 1040, 1159, 1208, 1216, 1220, 1235, 1510, 1520, 1586, 1952, 1963, 1976, 2080, 2318, 2416, 2440, 2470, 2869, 3020, 3040, 3172, 3904, 3926, 3952, 3965, 4160, 4636, 4832, 4880, 4940, 5738, 5795, 6040, 6080, 6344, 7852, 7904, 7930, 9211, 9272, 9664, 9760, 9815, 9880, 11476, 11590, 12080, 12688, 14345, 15067, 15704, 15808, 15860, 18422, 18544, 19520, 19630, 19760, 22952, 23180, 24160, 25376, 28690, 30134, 31408, 31720, 36844, 37088, 37297, 39260, 39520, 45904, 46055, 46360, 48320, 50752, 57380, 60268, 62816, 63440, 73688, 74176, 74594, 75335, 78520, 79040, 91808, 92110, 92720, 114760, 119743, 120536, 125632, 126880, 147376, 149188, 150670, 157040, 175009, 183616, 184220, 185440, 186485, 229520, 239486, 241072, 253760, 294752, 298376, 301340, 314080, 350018, 368440, 370880, 372970, 459040, 478972, 482144, 589504, 596752, 598715, 602680, 628160, 700036, 736880, 745940, 875045, 918080, 957944, 964288, 1193504, 1197430, 1205360, 1400072, 1473760, 1491880, 1750090, 1915888, 2275117, 2387008, 2394860, 2410720, 2800144, 2947520, 2983760, 3500180, 3831776, 4550234, 4789720, 4821440, 5600288, 5967520, 7000360, 7663552, 9100468, 9579440, 11200576, 11375585, 11935040, 14000720, 18200936, 19158880, 22751170, 28001440, 36401872, 38317760, 45502340, 56002880, 72803744, 91004680, 145607488, 182009360, 364018720, 728037440]

約数ペア:

[(1, 728037440), (2, 364018720), (4, 182009360), (5, 145607488), (8, 91004680), (10, 72803744), (13, 56002880), (16, 45502340), (19, 38317760), (20, 36401872), (26, 28001440), (32, 22751170), (38, 19158880), (40, 18200936), (52, 14000720), (61, 11935040), (64, 11375585), (65, 11200576), (76, 9579440), (80, 9100468), (95, 7663552), (104, 7000360), (122, 5967520), (130, 5600288), (151, 4821440), (152, 4789720), (160, 4550234), (190, 3831776), (208, 3500180), (244, 2983760), (247, 2947520), (260, 2800144), (302, 2410720), (304, 2394860), (305, 2387008), (320, 2275117), (380, 1915888), (416, 1750090), (488, 1491880), (494, 1473760), (520, 1400072), (604, 1205360), (608, 1197430), (610, 1193504), (755, 964288), (760, 957944), (793, 918080), (832, 875045), (976, 745940), (988, 736880), (1040, 700036), (1159, 628160), (1208, 602680), (1216, 598715), (1220, 596752), (1235, 589504), (1510, 482144), (1520, 478972), (1586, 459040), (1952, 372970), (1963, 370880), (1976, 368440), (2080, 350018), (2318, 314080), (2416, 301340), (2440, 298376), (2470, 294752), (2869, 253760), (3020, 241072), (3040, 239486), (3172, 229520), (3904, 186485), (3926, 185440), (3952, 184220), (3965, 183616), (4160, 175009), (4636, 157040), (4832, 150670), (4880, 149188), (4940, 147376), (5738, 126880), (5795, 125632), (6040, 120536), (6080, 119743), (6344, 114760), (7852, 92720), (7904, 92110), (7930, 91808), (9211, 79040), (9272, 78520), (9664, 75335), (9760, 74594), (9815, 74176), (9880, 73688), (11476, 63440), (11590, 62816), (12080, 60268), (12688, 57380), (14345, 50752), (15067, 48320), (15704, 46360), (15808, 46055), (15860, 45904), (18422, 39520), (18544, 39260), (19520, 37297), (19630, 37088), (19760, 36844), (22952, 31720), (23180, 31408), (24160, 30134), (25376, 28690)]