245083520

素因数分解:

$2^7\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{1123}}^1$

素因数の和:1184

約数の個数: 128

約数和(自身を含む): 660372480

約数和(自身を除く): 415288960

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 31, 32, 40, 44, 55, 62, 64, 80, 88, 110, 124, 128, 155, 160, 176, 220, 248, 310, 320, 341, 352, 440, 496, 620, 640, 682, 704, 880, 992, 1123, 1240, 1364, 1408, 1705, 1760, 1984, 2246, 2480, 2728, 3410, 3520, 3968, 4492, 4960, 5456, 5615, 6820, 7040, 8984, 9920, 10912, 11230, 12353, 13640, 17968, 19840, 21824, 22460, 24706, 27280, 34813, 35936, 43648, 44920, 49412, 54560, 61765, 69626, 71872, 89840, 98824, 109120, 123530, 139252, 143744, 174065, 179680, 197648, 218240, 247060, 278504, 348130, 359360, 382943, 395296, 494120, 557008, 696260, 718720, 765886, 790592, 988240, 1114016, 1392520, 1531772, 1581184, 1914715, 1976480, 2228032, 2785040, 3063544, 3829430, 3952960, 4456064, 5570080, 6127088, 7658860, 7905920, 11140160, 12254176, 15317720, 22280320, 24508352, 30635440, 49016704, 61270880, 122541760, 245083520]

約数ペア:

[(1, 245083520), (2, 122541760), (4, 61270880), (5, 49016704), (8, 30635440), (10, 24508352), (11, 22280320), (16, 15317720), (20, 12254176), (22, 11140160), (31, 7905920), (32, 7658860), (40, 6127088), (44, 5570080), (55, 4456064), (62, 3952960), (64, 3829430), (80, 3063544), (88, 2785040), (110, 2228032), (124, 1976480), (128, 1914715), (155, 1581184), (160, 1531772), (176, 1392520), (220, 1114016), (248, 988240), (310, 790592), (320, 765886), (341, 718720), (352, 696260), (440, 557008), (496, 494120), (620, 395296), (640, 382943), (682, 359360), (704, 348130), (880, 278504), (992, 247060), (1123, 218240), (1240, 197648), (1364, 179680), (1408, 174065), (1705, 143744), (1760, 139252), (1984, 123530), (2246, 109120), (2480, 98824), (2728, 89840), (3410, 71872), (3520, 69626), (3968, 61765), (4492, 54560), (4960, 49412), (5456, 44920), (5615, 43648), (6820, 35936), (7040, 34813), (8984, 27280), (9920, 24706), (10912, 22460), (11230, 21824), (12353, 19840), (13640, 17968)]