220352960

素因数分解:

$2^6\times 5^1\times {\mathrm{31}}^1\times {\mathrm{97}}^1\times {\mathrm{229}}^1$

素因数の和:374

約数の個数: 112

約数和(自身を含む): 549615360

約数和(自身を除く): 329262400

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 97, 124, 155, 160, 194, 229, 248, 310, 320, 388, 458, 485, 496, 620, 776, 916, 970, 992, 1145, 1240, 1552, 1832, 1940, 1984, 2290, 2480, 3007, 3104, 3664, 3880, 4580, 4960, 6014, 6208, 7099, 7328, 7760, 9160, 9920, 12028, 14198, 14656, 15035, 15520, 18320, 22213, 24056, 28396, 30070, 31040, 35495, 36640, 44426, 48112, 56792, 60140, 70990, 73280, 88852, 96224, 111065, 113584, 120280, 141980, 177704, 192448, 222130, 227168, 240560, 283960, 355408, 444260, 454336, 481120, 567920, 688603, 710816, 888520, 962240, 1135840, 1377206, 1421632, 1777040, 2271680, 2754412, 3443015, 3554080, 5508824, 6886030, 7108160, 11017648, 13772060, 22035296, 27544120, 44070592, 55088240, 110176480, 220352960]

約数ペア:

[(1, 220352960), (2, 110176480), (4, 55088240), (5, 44070592), (8, 27544120), (10, 22035296), (16, 13772060), (20, 11017648), (31, 7108160), (32, 6886030), (40, 5508824), (62, 3554080), (64, 3443015), (80, 2754412), (97, 2271680), (124, 1777040), (155, 1421632), (160, 1377206), (194, 1135840), (229, 962240), (248, 888520), (310, 710816), (320, 688603), (388, 567920), (458, 481120), (485, 454336), (496, 444260), (620, 355408), (776, 283960), (916, 240560), (970, 227168), (992, 222130), (1145, 192448), (1240, 177704), (1552, 141980), (1832, 120280), (1940, 113584), (1984, 111065), (2290, 96224), (2480, 88852), (3007, 73280), (3104, 70990), (3664, 60140), (3880, 56792), (4580, 48112), (4960, 44426), (6014, 36640), (6208, 35495), (7099, 31040), (7328, 30070), (7760, 28396), (9160, 24056), (9920, 22213), (12028, 18320), (14198, 15520), (14656, 15035)]