154654520

素因数分解:

$2^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{241}}^1\times {\mathrm{263}}^1$

素因数の和:576

約数の個数: 64

約数和(自身を含む): 356495040

約数和(自身を除く): 201840520

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 61, 122, 241, 244, 263, 305, 482, 488, 526, 610, 964, 1052, 1205, 1220, 1315, 1928, 2104, 2410, 2440, 2630, 4820, 5260, 9640, 10520, 14701, 16043, 29402, 32086, 58804, 63383, 64172, 73505, 80215, 117608, 126766, 128344, 147010, 160430, 253532, 294020, 316915, 320860, 507064, 588040, 633830, 641720, 1267660, 2535320, 3866363, 7732726, 15465452, 19331815, 30930904, 38663630, 77327260, 154654520]

約数ペア:

[(1, 154654520), (2, 77327260), (4, 38663630), (5, 30930904), (8, 19331815), (10, 15465452), (20, 7732726), (40, 3866363), (61, 2535320), (122, 1267660), (241, 641720), (244, 633830), (263, 588040), (305, 507064), (482, 320860), (488, 316915), (526, 294020), (610, 253532), (964, 160430), (1052, 147010), (1205, 128344), (1220, 126766), (1315, 117608), (1928, 80215), (2104, 73505), (2410, 64172), (2440, 63383), (2630, 58804), (4820, 32086), (5260, 29402), (9640, 16043), (10520, 14701)]