720309720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{157}}^1\times {\mathrm{173}}^1$

素因数の和:374

約数の個数: 256

約数和(自身を含む): 2494074240

約数和(自身を除く): 1773764520

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 17, 20, 24, 26, 30, 34, 39, 40, 51, 52, 60, 65, 68, 78, 85, 102, 104, 120, 130, 136, 156, 157, 170, 173, 195, 204, 221, 255, 260, 312, 314, 340, 346, 390, 408, 442, 471, 510, 519, 520, 628, 663, 680, 692, 780, 785, 865, 884, 942, 1020, 1038, 1105, 1256, 1326, 1384, 1560, 1570, 1730, 1768, 1884, 2040, 2041, 2076, 2210, 2249, 2355, 2595, 2652, 2669, 2941, 3140, 3315, 3460, 3768, 4082, 4152, 4420, 4498, 4710, 5190, 5304, 5338, 5882, 6123, 6280, 6630, 6747, 6920, 8007, 8164, 8823, 8840, 8996, 9420, 10205, 10380, 10676, 11245, 11764, 12246, 13260, 13345, 13494, 14705, 16014, 16328, 17646, 17992, 18840, 20410, 20760, 21352, 22490, 23528, 24492, 26520, 26690, 26988, 27161, 29410, 30615, 32028, 33735, 34697, 35292, 38233, 40035, 40820, 44115, 44980, 48984, 53380, 53976, 54322, 58820, 61230, 64056, 67470, 69394, 70584, 76466, 80070, 81483, 81640, 88230, 89960, 104091, 106760, 108644, 114699, 117640, 122460, 134940, 135805, 138788, 152932, 160140, 162966, 173485, 176460, 191165, 208182, 217288, 229398, 244920, 269880, 271610, 277576, 305864, 320280, 325932, 346970, 352920, 353093, 382330, 407415, 416364, 458796, 461737, 520455, 543220, 573495, 651864, 693940, 706186, 764660, 814830, 832728, 917592, 923474, 1040910, 1059279, 1086440, 1146990, 1385211, 1387880, 1412372, 1529320, 1629660, 1765465, 1846948, 2081820, 2118558, 2293980, 2308685, 2770422, 2824744, 3259320, 3530930, 3693896, 4163640, 4237116, 4587960, 4617370, 5296395, 5540844, 6002581, 6926055, 7061860, 8474232, 9234740, 10592790, 11081688, 12005162, 13852110, 14123720, 18007743, 18469480, 21185580, 24010324, 27704220, 30012905, 36015486, 42371160, 48020648, 55408440, 60025810, 72030972, 90038715, 120051620, 144061944, 180077430, 240103240, 360154860, 720309720]

約数ペア:

[(1, 720309720), (2, 360154860), (3, 240103240), (4, 180077430), (5, 144061944), (6, 120051620), (8, 90038715), (10, 72030972), (12, 60025810), (13, 55408440), (15, 48020648), (17, 42371160), (20, 36015486), (24, 30012905), (26, 27704220), (30, 24010324), (34, 21185580), (39, 18469480), (40, 18007743), (51, 14123720), (52, 13852110), (60, 12005162), (65, 11081688), (68, 10592790), (78, 9234740), (85, 8474232), (102, 7061860), (104, 6926055), (120, 6002581), (130, 5540844), (136, 5296395), (156, 4617370), (157, 4587960), (170, 4237116), (173, 4163640), (195, 3693896), (204, 3530930), (221, 3259320), (255, 2824744), (260, 2770422), (312, 2308685), (314, 2293980), (340, 2118558), (346, 2081820), (390, 1846948), (408, 1765465), (442, 1629660), (471, 1529320), (510, 1412372), (519, 1387880), (520, 1385211), (628, 1146990), (663, 1086440), (680, 1059279), (692, 1040910), (780, 923474), (785, 917592), (865, 832728), (884, 814830), (942, 764660), (1020, 706186), (1038, 693940), (1105, 651864), (1256, 573495), (1326, 543220), (1384, 520455), (1560, 461737), (1570, 458796), (1730, 416364), (1768, 407415), (1884, 382330), (2040, 353093), (2041, 352920), (2076, 346970), (2210, 325932), (2249, 320280), (2355, 305864), (2595, 277576), (2652, 271610), (2669, 269880), (2941, 244920), (3140, 229398), (3315, 217288), (3460, 208182), (3768, 191165), (4082, 176460), (4152, 173485), (4420, 162966), (4498, 160140), (4710, 152932), (5190, 138788), (5304, 135805), (5338, 134940), (5882, 122460), (6123, 117640), (6280, 114699), (6630, 108644), (6747, 106760), (6920, 104091), (8007, 89960), (8164, 88230), (8823, 81640), (8840, 81483), (8996, 80070), (9420, 76466), (10205, 70584), (10380, 69394), (10676, 67470), (11245, 64056), (11764, 61230), (12246, 58820), (13260, 54322), (13345, 53976), (13494, 53380), (14705, 48984), (16014, 44980), (16328, 44115), (17646, 40820), (17992, 40035), (18840, 38233), (20410, 35292), (20760, 34697), (21352, 33735), (22490, 32028), (23528, 30615), (24492, 29410), (26520, 27161), (26690, 26988)]