642975360

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19699}}^1$

素因数の和:19738

約数の個数: 128

約数和(自身を含む): 2170152000

約数和(自身を除く): 1527176640

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 17, 20, 24, 30, 32, 34, 40, 48, 51, 60, 64, 68, 80, 85, 96, 102, 120, 128, 136, 160, 170, 192, 204, 240, 255, 272, 320, 340, 384, 408, 480, 510, 544, 640, 680, 816, 960, 1020, 1088, 1360, 1632, 1920, 2040, 2176, 2720, 3264, 4080, 5440, 6528, 8160, 10880, 16320, 19699, 32640, 39398, 59097, 78796, 98495, 118194, 157592, 196990, 236388, 295485, 315184, 334883, 393980, 472776, 590970, 630368, 669766, 787960, 945552, 1004649, 1181940, 1260736, 1339532, 1575920, 1674415, 1891104, 2009298, 2363880, 2521472, 2679064, 3151840, 3348830, 3782208, 4018596, 4727760, 5023245, 5358128, 6303680, 6697660, 7564416, 8037192, 9455520, 10046490, 10716256, 12607360, 13395320, 16074384, 18911040, 20092980, 21432512, 26790640, 32148768, 37822080, 40185960, 42865024, 53581280, 64297536, 80371920, 107162560, 128595072, 160743840, 214325120, 321487680, 642975360]

約数ペア:

[(1, 642975360), (2, 321487680), (3, 214325120), (4, 160743840), (5, 128595072), (6, 107162560), (8, 80371920), (10, 64297536), (12, 53581280), (15, 42865024), (16, 40185960), (17, 37822080), (20, 32148768), (24, 26790640), (30, 21432512), (32, 20092980), (34, 18911040), (40, 16074384), (48, 13395320), (51, 12607360), (60, 10716256), (64, 10046490), (68, 9455520), (80, 8037192), (85, 7564416), (96, 6697660), (102, 6303680), (120, 5358128), (128, 5023245), (136, 4727760), (160, 4018596), (170, 3782208), (192, 3348830), (204, 3151840), (240, 2679064), (255, 2521472), (272, 2363880), (320, 2009298), (340, 1891104), (384, 1674415), (408, 1575920), (480, 1339532), (510, 1260736), (544, 1181940), (640, 1004649), (680, 945552), (816, 787960), (960, 669766), (1020, 630368), (1088, 590970), (1360, 472776), (1632, 393980), (1920, 334883), (2040, 315184), (2176, 295485), (2720, 236388), (3264, 196990), (4080, 157592), (5440, 118194), (6528, 98495), (8160, 78796), (10880, 59097), (16320, 39398), (19699, 32640)]