247265920

素因数分解:

$2^7\times 5^1\times {\mathrm{11}}^2\times {\mathrm{31}}^1\times {\mathrm{103}}^1$

素因数の和:175

約数の個数: 192

約数和(自身を含む): 677214720

約数和(自身を除く): 429948800

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 31, 32, 40, 44, 55, 62, 64, 80, 88, 103, 110, 121, 124, 128, 155, 160, 176, 206, 220, 242, 248, 310, 320, 341, 352, 412, 440, 484, 496, 515, 605, 620, 640, 682, 704, 824, 880, 968, 992, 1030, 1133, 1210, 1240, 1364, 1408, 1648, 1705, 1760, 1936, 1984, 2060, 2266, 2420, 2480, 2728, 3193, 3296, 3410, 3520, 3751, 3872, 3968, 4120, 4532, 4840, 4960, 5456, 5665, 6386, 6592, 6820, 7040, 7502, 7744, 8240, 9064, 9680, 9920, 10912, 11330, 12463, 12772, 13184, 13640, 15004, 15488, 15965, 16480, 18128, 18755, 19360, 19840, 21824, 22660, 24926, 25544, 27280, 30008, 31930, 32960, 35123, 36256, 37510, 38720, 43648, 45320, 49852, 51088, 54560, 60016, 62315, 63860, 65920, 70246, 72512, 75020, 77440, 90640, 99704, 102176, 109120, 120032, 124630, 127720, 140492, 145024, 150040, 175615, 181280, 199408, 204352, 218240, 240064, 249260, 255440, 280984, 300080, 351230, 362560, 386353, 398816, 408704, 480128, 498520, 510880, 561968, 600160, 702460, 725120, 772706, 797632, 997040, 1021760, 1123936, 1200320, 1404920, 1545412, 1595264, 1931765, 1994080, 2043520, 2247872, 2400640, 2809840, 3090824, 3863530, 3988160, 4495744, 5619680, 6181648, 7727060, 7976320, 11239360, 12363296, 15454120, 22478720, 24726592, 30908240, 49453184, 61816480, 123632960, 247265920]

約数ペア:

[(1, 247265920), (2, 123632960), (4, 61816480), (5, 49453184), (8, 30908240), (10, 24726592), (11, 22478720), (16, 15454120), (20, 12363296), (22, 11239360), (31, 7976320), (32, 7727060), (40, 6181648), (44, 5619680), (55, 4495744), (62, 3988160), (64, 3863530), (80, 3090824), (88, 2809840), (103, 2400640), (110, 2247872), (121, 2043520), (124, 1994080), (128, 1931765), (155, 1595264), (160, 1545412), (176, 1404920), (206, 1200320), (220, 1123936), (242, 1021760), (248, 997040), (310, 797632), (320, 772706), (341, 725120), (352, 702460), (412, 600160), (440, 561968), (484, 510880), (496, 498520), (515, 480128), (605, 408704), (620, 398816), (640, 386353), (682, 362560), (704, 351230), (824, 300080), (880, 280984), (968, 255440), (992, 249260), (1030, 240064), (1133, 218240), (1210, 204352), (1240, 199408), (1364, 181280), (1408, 175615), (1648, 150040), (1705, 145024), (1760, 140492), (1936, 127720), (1984, 124630), (2060, 120032), (2266, 109120), (2420, 102176), (2480, 99704), (2728, 90640), (3193, 77440), (3296, 75020), (3410, 72512), (3520, 70246), (3751, 65920), (3872, 63860), (3968, 62315), (4120, 60016), (4532, 54560), (4840, 51088), (4960, 49852), (5456, 45320), (5665, 43648), (6386, 38720), (6592, 37510), (6820, 36256), (7040, 35123), (7502, 32960), (7744, 31930), (8240, 30008), (9064, 27280), (9680, 25544), (9920, 24926), (10912, 22660), (11330, 21824), (12463, 19840), (12772, 19360), (13184, 18755), (13640, 18128), (15004, 16480), (15488, 15965)]