164623920

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{157}}^1\times {\mathrm{257}}^1$

素因数の和:447

約数の個数: 160

約数和(自身を含む): 545911488

約数和(自身を除く): 381287568

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 17, 20, 24, 30, 34, 40, 48, 51, 60, 68, 80, 85, 102, 120, 136, 157, 170, 204, 240, 255, 257, 272, 314, 340, 408, 471, 510, 514, 628, 680, 771, 785, 816, 942, 1020, 1028, 1256, 1285, 1360, 1542, 1570, 1884, 2040, 2056, 2355, 2512, 2570, 2669, 3084, 3140, 3768, 3855, 4080, 4112, 4369, 4710, 5140, 5338, 6168, 6280, 7536, 7710, 8007, 8738, 9420, 10280, 10676, 12336, 12560, 13107, 13345, 15420, 16014, 17476, 18840, 20560, 21352, 21845, 26214, 26690, 30840, 32028, 34952, 37680, 40035, 40349, 42704, 43690, 52428, 53380, 61680, 64056, 65535, 69904, 80070, 80698, 87380, 104856, 106760, 121047, 128112, 131070, 160140, 161396, 174760, 201745, 209712, 213520, 242094, 262140, 320280, 322792, 349520, 403490, 484188, 524280, 605235, 640560, 645584, 685933, 806980, 968376, 1048560, 1210470, 1371866, 1613960, 1936752, 2057799, 2420940, 2743732, 3227920, 3429665, 4115598, 4841880, 5487464, 6859330, 8231196, 9683760, 10288995, 10974928, 13718660, 16462392, 20577990, 27437320, 32924784, 41155980, 54874640, 82311960, 164623920]

約数ペア:

[(1, 164623920), (2, 82311960), (3, 54874640), (4, 41155980), (5, 32924784), (6, 27437320), (8, 20577990), (10, 16462392), (12, 13718660), (15, 10974928), (16, 10288995), (17, 9683760), (20, 8231196), (24, 6859330), (30, 5487464), (34, 4841880), (40, 4115598), (48, 3429665), (51, 3227920), (60, 2743732), (68, 2420940), (80, 2057799), (85, 1936752), (102, 1613960), (120, 1371866), (136, 1210470), (157, 1048560), (170, 968376), (204, 806980), (240, 685933), (255, 645584), (257, 640560), (272, 605235), (314, 524280), (340, 484188), (408, 403490), (471, 349520), (510, 322792), (514, 320280), (628, 262140), (680, 242094), (771, 213520), (785, 209712), (816, 201745), (942, 174760), (1020, 161396), (1028, 160140), (1256, 131070), (1285, 128112), (1360, 121047), (1542, 106760), (1570, 104856), (1884, 87380), (2040, 80698), (2056, 80070), (2355, 69904), (2512, 65535), (2570, 64056), (2669, 61680), (3084, 53380), (3140, 52428), (3768, 43690), (3855, 42704), (4080, 40349), (4112, 40035), (4369, 37680), (4710, 34952), (5140, 32028), (5338, 30840), (6168, 26690), (6280, 26214), (7536, 21845), (7710, 21352), (8007, 20560), (8738, 18840), (9420, 17476), (10280, 16014), (10676, 15420), (12336, 13345), (12560, 13107)]