1721487040

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{1907}}^1$

素因数の和:1975

約数の個数: 224

約数和(自身を含む): 5210763264

約数和(自身を除く): 3489276224

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 31, 32, 35, 40, 52, 56, 62, 64, 65, 70, 80, 91, 104, 112, 124, 130, 140, 155, 160, 182, 208, 217, 224, 248, 260, 280, 310, 320, 364, 403, 416, 434, 448, 455, 496, 520, 560, 620, 728, 806, 832, 868, 910, 992, 1040, 1085, 1120, 1240, 1456, 1612, 1736, 1820, 1907, 1984, 2015, 2080, 2170, 2240, 2480, 2821, 2912, 3224, 3472, 3640, 3814, 4030, 4160, 4340, 4960, 5642, 5824, 6448, 6944, 7280, 7628, 8060, 8680, 9535, 9920, 11284, 12896, 13349, 13888, 14105, 14560, 15256, 16120, 17360, 19070, 22568, 24791, 25792, 26698, 28210, 29120, 30512, 32240, 34720, 38140, 45136, 49582, 53396, 56420, 59117, 61024, 64480, 66745, 69440, 76280, 90272, 99164, 106792, 112840, 118234, 122048, 123955, 128960, 133490, 152560, 173537, 180544, 198328, 213584, 225680, 236468, 247910, 266980, 295585, 305120, 347074, 396656, 413819, 427168, 451360, 472936, 495820, 533960, 591170, 610240, 694148, 768521, 793312, 827638, 854336, 867685, 902720, 945872, 991640, 1067920, 1182340, 1388296, 1537042, 1586624, 1655276, 1735370, 1891744, 1983280, 2069095, 2135840, 2364680, 2776592, 3074084, 3310552, 3470740, 3783488, 3842605, 3966560, 4138190, 4271680, 4729360, 5379647, 5553184, 6148168, 6621104, 6941480, 7685210, 7933120, 8276380, 9458720, 10759294, 11106368, 12296336, 13242208, 13882960, 15370420, 16552760, 18917440, 21518588, 24592672, 26484416, 26898235, 27765920, 30740840, 33105520, 43037176, 49185344, 53796470, 55531840, 61481680, 66211040, 86074352, 107592940, 122963360, 132422080, 172148704, 215185880, 245926720, 344297408, 430371760, 860743520, 1721487040]

約数ペア:

[(1, 1721487040), (2, 860743520), (4, 430371760), (5, 344297408), (7, 245926720), (8, 215185880), (10, 172148704), (13, 132422080), (14, 122963360), (16, 107592940), (20, 86074352), (26, 66211040), (28, 61481680), (31, 55531840), (32, 53796470), (35, 49185344), (40, 43037176), (52, 33105520), (56, 30740840), (62, 27765920), (64, 26898235), (65, 26484416), (70, 24592672), (80, 21518588), (91, 18917440), (104, 16552760), (112, 15370420), (124, 13882960), (130, 13242208), (140, 12296336), (155, 11106368), (160, 10759294), (182, 9458720), (208, 8276380), (217, 7933120), (224, 7685210), (248, 6941480), (260, 6621104), (280, 6148168), (310, 5553184), (320, 5379647), (364, 4729360), (403, 4271680), (416, 4138190), (434, 3966560), (448, 3842605), (455, 3783488), (496, 3470740), (520, 3310552), (560, 3074084), (620, 2776592), (728, 2364680), (806, 2135840), (832, 2069095), (868, 1983280), (910, 1891744), (992, 1735370), (1040, 1655276), (1085, 1586624), (1120, 1537042), (1240, 1388296), (1456, 1182340), (1612, 1067920), (1736, 991640), (1820, 945872), (1907, 902720), (1984, 867685), (2015, 854336), (2080, 827638), (2170, 793312), (2240, 768521), (2480, 694148), (2821, 610240), (2912, 591170), (3224, 533960), (3472, 495820), (3640, 472936), (3814, 451360), (4030, 427168), (4160, 413819), (4340, 396656), (4960, 347074), (5642, 305120), (5824, 295585), (6448, 266980), (6944, 247910), (7280, 236468), (7628, 225680), (8060, 213584), (8680, 198328), (9535, 180544), (9920, 173537), (11284, 152560), (12896, 133490), (13349, 128960), (13888, 123955), (14105, 122048), (14560, 118234), (15256, 112840), (16120, 106792), (17360, 99164), (19070, 90272), (22568, 76280), (24791, 69440), (25792, 66745), (26698, 64480), (28210, 61024), (29120, 59117), (30512, 56420), (32240, 53396), (34720, 49582), (38140, 45136)]