289257660

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{109}}^1\times {\mathrm{641}}^1$

素因数の和:788

約数の個数: 144

約数和(自身を含む): 925404480

約数和(自身を除く): 636146820

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 23, 30, 36, 45, 46, 60, 69, 90, 92, 109, 115, 138, 180, 207, 218, 230, 276, 327, 345, 414, 436, 460, 545, 641, 654, 690, 828, 981, 1035, 1090, 1282, 1308, 1380, 1635, 1923, 1962, 2070, 2180, 2507, 2564, 3205, 3270, 3846, 3924, 4140, 4905, 5014, 5769, 6410, 6540, 7521, 7692, 9615, 9810, 10028, 11538, 12535, 12820, 14743, 15042, 19230, 19620, 22563, 23076, 25070, 28845, 29486, 30084, 37605, 38460, 44229, 45126, 50140, 57690, 58972, 69869, 73715, 75210, 88458, 90252, 112815, 115380, 132687, 139738, 147430, 150420, 176916, 209607, 221145, 225630, 265374, 279476, 294860, 349345, 419214, 442290, 451260, 530748, 628821, 663435, 698690, 838428, 884580, 1048035, 1257642, 1326870, 1397380, 1606987, 2096070, 2515284, 2653740, 3144105, 3213974, 4192140, 4820961, 6288210, 6427948, 8034935, 9641922, 12576420, 14462883, 16069870, 19283844, 24104805, 28925766, 32139740, 48209610, 57851532, 72314415, 96419220, 144628830, 289257660]

約数ペア:

[(1, 289257660), (2, 144628830), (3, 96419220), (4, 72314415), (5, 57851532), (6, 48209610), (9, 32139740), (10, 28925766), (12, 24104805), (15, 19283844), (18, 16069870), (20, 14462883), (23, 12576420), (30, 9641922), (36, 8034935), (45, 6427948), (46, 6288210), (60, 4820961), (69, 4192140), (90, 3213974), (92, 3144105), (109, 2653740), (115, 2515284), (138, 2096070), (180, 1606987), (207, 1397380), (218, 1326870), (230, 1257642), (276, 1048035), (327, 884580), (345, 838428), (414, 698690), (436, 663435), (460, 628821), (545, 530748), (641, 451260), (654, 442290), (690, 419214), (828, 349345), (981, 294860), (1035, 279476), (1090, 265374), (1282, 225630), (1308, 221145), (1380, 209607), (1635, 176916), (1923, 150420), (1962, 147430), (2070, 139738), (2180, 132687), (2507, 115380), (2564, 112815), (3205, 90252), (3270, 88458), (3846, 75210), (3924, 73715), (4140, 69869), (4905, 58972), (5014, 57690), (5769, 50140), (6410, 45126), (6540, 44229), (7521, 38460), (7692, 37605), (9615, 30084), (9810, 29486), (10028, 28845), (11538, 25070), (12535, 23076), (12820, 22563), (14743, 19620), (15042, 19230)]