123640320

素因数分解:

$2^9\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{947}}^1$

素因数の和:990

約数の個数: 160

約数和(自身を含む): 418955328

約数和(自身を除く): 295315008

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, 256, 272, 320, 340, 384, 408, 480, 510, 512, 544, 640, 680, 768, 816, 947, 960, 1020, 1088, 1280, 1360, 1536, 1632, 1894, 1920, 2040, 2176, 2560, 2720, 2841, 3264, 3788, 3840, 4080, 4352, 4735, 5440, 5682, 6528, 7576, 7680, 8160, 8704, 9470, 10880, 11364, 13056, 14205, 15152, 16099, 16320, 18940, 21760, 22728, 26112, 28410, 30304, 32198, 32640, 37880, 43520, 45456, 48297, 56820, 60608, 64396, 65280, 75760, 80495, 90912, 96594, 113640, 121216, 128792, 130560, 151520, 160990, 181824, 193188, 227280, 241485, 242432, 257584, 303040, 321980, 363648, 386376, 454560, 482970, 484864, 515168, 606080, 643960, 727296, 772752, 909120, 965940, 1030336, 1212160, 1287920, 1454592, 1545504, 1818240, 1931880, 2060672, 2424320, 2575840, 3091008, 3636480, 3863760, 4121344, 5151680, 6182016, 7272960, 7727520, 8242688, 10303360, 12364032, 15455040, 20606720, 24728064, 30910080, 41213440, 61820160, 123640320]

約数ペア:

[(1, 123640320), (2, 61820160), (3, 41213440), (4, 30910080), (5, 24728064), (6, 20606720), (8, 15455040), (10, 12364032), (12, 10303360), (15, 8242688), (16, 7727520), (17, 7272960), (20, 6182016), (24, 5151680), (30, 4121344), (32, 3863760), (34, 3636480), (40, 3091008), (48, 2575840), (51, 2424320), (60, 2060672), (64, 1931880), (68, 1818240), (80, 1545504), (85, 1454592), (96, 1287920), (102, 1212160), (120, 1030336), (128, 965940), (136, 909120), (160, 772752), (170, 727296), (192, 643960), (204, 606080), (240, 515168), (255, 484864), (256, 482970), (272, 454560), (320, 386376), (340, 363648), (384, 321980), (408, 303040), (480, 257584), (510, 242432), (512, 241485), (544, 227280), (640, 193188), (680, 181824), (768, 160990), (816, 151520), (947, 130560), (960, 128792), (1020, 121216), (1088, 113640), (1280, 96594), (1360, 90912), (1536, 80495), (1632, 75760), (1894, 65280), (1920, 64396), (2040, 60608), (2176, 56820), (2560, 48297), (2720, 45456), (2841, 43520), (3264, 37880), (3788, 32640), (3840, 32198), (4080, 30304), (4352, 28410), (4735, 26112), (5440, 22728), (5682, 21760), (6528, 18940), (7576, 16320), (7680, 16099), (8160, 15152), (8704, 14205), (9470, 13056), (10880, 11364)]