27980100

素因数分解:

$2^2\times 3^3\times 5^2\times {\mathrm{43}}^1\times {\mathrm{241}}^1$

素因数の和:307

約数の個数: 144

約数和(自身を含む): 92424640

約数和(自身を除く): 64444540

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 25, 27, 30, 36, 43, 45, 50, 54, 60, 75, 86, 90, 100, 108, 129, 135, 150, 172, 180, 215, 225, 241, 258, 270, 300, 387, 430, 450, 482, 516, 540, 645, 675, 723, 774, 860, 900, 964, 1075, 1161, 1205, 1290, 1350, 1446, 1548, 1935, 2150, 2169, 2322, 2410, 2580, 2700, 2892, 3225, 3615, 3870, 4300, 4338, 4644, 4820, 5805, 6025, 6450, 6507, 7230, 7740, 8676, 9675, 10363, 10845, 11610, 12050, 12900, 13014, 14460, 18075, 19350, 20726, 21690, 23220, 24100, 26028, 29025, 31089, 32535, 36150, 38700, 41452, 43380, 51815, 54225, 58050, 62178, 65070, 72300, 93267, 103630, 108450, 116100, 124356, 130140, 155445, 162675, 186534, 207260, 216900, 259075, 279801, 310890, 325350, 373068, 466335, 518150, 559602, 621780, 650700, 777225, 932670, 1036300, 1119204, 1399005, 1554450, 1865340, 2331675, 2798010, 3108900, 4663350, 5596020, 6995025, 9326700, 13990050, 27980100]

約数ペア:

[(1, 27980100), (2, 13990050), (3, 9326700), (4, 6995025), (5, 5596020), (6, 4663350), (9, 3108900), (10, 2798010), (12, 2331675), (15, 1865340), (18, 1554450), (20, 1399005), (25, 1119204), (27, 1036300), (30, 932670), (36, 777225), (43, 650700), (45, 621780), (50, 559602), (54, 518150), (60, 466335), (75, 373068), (86, 325350), (90, 310890), (100, 279801), (108, 259075), (129, 216900), (135, 207260), (150, 186534), (172, 162675), (180, 155445), (215, 130140), (225, 124356), (241, 116100), (258, 108450), (270, 103630), (300, 93267), (387, 72300), (430, 65070), (450, 62178), (482, 58050), (516, 54225), (540, 51815), (645, 43380), (675, 41452), (723, 38700), (774, 36150), (860, 32535), (900, 31089), (964, 29025), (1075, 26028), (1161, 24100), (1205, 23220), (1290, 21690), (1350, 20726), (1446, 19350), (1548, 18075), (1935, 14460), (2150, 13014), (2169, 12900), (2322, 12050), (2410, 11610), (2580, 10845), (2700, 10363), (2892, 9675), (3225, 8676), (3615, 7740), (3870, 7230), (4300, 6507), (4338, 6450), (4644, 6025), (4820, 5805)]