290765040

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{19861}}^1$

素因数の和:19938

約数の個数: 80

約数和(自身を含む): 916194336

約数和(自身を除く): 625429296

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 61, 80, 120, 122, 183, 240, 244, 305, 366, 488, 610, 732, 915, 976, 1220, 1464, 1830, 2440, 2928, 3660, 4880, 7320, 14640, 19861, 39722, 59583, 79444, 99305, 119166, 158888, 198610, 238332, 297915, 317776, 397220, 476664, 595830, 794440, 953328, 1191660, 1211521, 1588880, 2383320, 2423042, 3634563, 4766640, 4846084, 6057605, 7269126, 9692168, 12115210, 14538252, 18172815, 19384336, 24230420, 29076504, 36345630, 48460840, 58153008, 72691260, 96921680, 145382520, 290765040]

約数ペア:

[(1, 290765040), (2, 145382520), (3, 96921680), (4, 72691260), (5, 58153008), (6, 48460840), (8, 36345630), (10, 29076504), (12, 24230420), (15, 19384336), (16, 18172815), (20, 14538252), (24, 12115210), (30, 9692168), (40, 7269126), (48, 6057605), (60, 4846084), (61, 4766640), (80, 3634563), (120, 2423042), (122, 2383320), (183, 1588880), (240, 1211521), (244, 1191660), (305, 953328), (366, 794440), (488, 595830), (610, 476664), (732, 397220), (915, 317776), (976, 297915), (1220, 238332), (1464, 198610), (1830, 158888), (2440, 119166), (2928, 99305), (3660, 79444), (4880, 59583), (7320, 39722), (14640, 19861)]