327369920

素因数分解:

$2^6\times 5^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{541}}^1$

素因数の和:650

約数の個数: 112

約数和(自身を含む): 819399936

約数和(自身を除く): 492030016

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 61, 62, 64, 80, 122, 124, 155, 160, 244, 248, 305, 310, 320, 488, 496, 541, 610, 620, 976, 992, 1082, 1220, 1240, 1891, 1952, 1984, 2164, 2440, 2480, 2705, 3782, 3904, 4328, 4880, 4960, 5410, 7564, 8656, 9455, 9760, 9920, 10820, 15128, 16771, 17312, 18910, 19520, 21640, 30256, 33001, 33542, 34624, 37820, 43280, 60512, 66002, 67084, 75640, 83855, 86560, 121024, 132004, 134168, 151280, 165005, 167710, 173120, 264008, 268336, 302560, 330010, 335420, 528016, 536672, 605120, 660020, 670840, 1023031, 1056032, 1073344, 1320040, 1341680, 2046062, 2112064, 2640080, 2683360, 4092124, 5115155, 5280160, 5366720, 8184248, 10230310, 10560320, 16368496, 20460620, 32736992, 40921240, 65473984, 81842480, 163684960, 327369920]

約数ペア:

[(1, 327369920), (2, 163684960), (4, 81842480), (5, 65473984), (8, 40921240), (10, 32736992), (16, 20460620), (20, 16368496), (31, 10560320), (32, 10230310), (40, 8184248), (61, 5366720), (62, 5280160), (64, 5115155), (80, 4092124), (122, 2683360), (124, 2640080), (155, 2112064), (160, 2046062), (244, 1341680), (248, 1320040), (305, 1073344), (310, 1056032), (320, 1023031), (488, 670840), (496, 660020), (541, 605120), (610, 536672), (620, 528016), (976, 335420), (992, 330010), (1082, 302560), (1220, 268336), (1240, 264008), (1891, 173120), (1952, 167710), (1984, 165005), (2164, 151280), (2440, 134168), (2480, 132004), (2705, 121024), (3782, 86560), (3904, 83855), (4328, 75640), (4880, 67084), (4960, 66002), (5410, 60512), (7564, 43280), (8656, 37820), (9455, 34624), (9760, 33542), (9920, 33001), (10820, 30256), (15128, 21640), (16771, 19520), (17312, 18910)]