1220850240

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{239}}^1\times {\mathrm{313}}^1$

素因数の和:589

約数の個数: 224

約数和(自身を含む): 4134551040

約数和(自身を除く): 2913700800

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 17, 20, 24, 30, 32, 34, 40, 48, 51, 60, 64, 68, 80, 85, 96, 102, 120, 136, 160, 170, 192, 204, 239, 240, 255, 272, 313, 320, 340, 408, 478, 480, 510, 544, 626, 680, 717, 816, 939, 956, 960, 1020, 1088, 1195, 1252, 1360, 1434, 1565, 1632, 1878, 1912, 2040, 2390, 2504, 2720, 2868, 3130, 3264, 3585, 3756, 3824, 4063, 4080, 4695, 4780, 5008, 5321, 5440, 5736, 6260, 7170, 7512, 7648, 8126, 8160, 9390, 9560, 10016, 10642, 11472, 12189, 12520, 14340, 15024, 15296, 15963, 16252, 16320, 18780, 19120, 20032, 20315, 21284, 22944, 24378, 25040, 26605, 28680, 30048, 31926, 32504, 37560, 38240, 40630, 42568, 45888, 48756, 50080, 53210, 57360, 60096, 60945, 63852, 65008, 74807, 75120, 76480, 79815, 81260, 85136, 97512, 100160, 106420, 114720, 121890, 127704, 130016, 149614, 150240, 159630, 162520, 170272, 195024, 212840, 224421, 229440, 243780, 255408, 260032, 299228, 300480, 319260, 325040, 340544, 374035, 390048, 425680, 448842, 487560, 510816, 598456, 638520, 650080, 748070, 780096, 851360, 897684, 975120, 1021632, 1122105, 1196912, 1271719, 1277040, 1300160, 1496140, 1702720, 1795368, 1950240, 2244210, 2393824, 2543438, 2554080, 2992280, 3590736, 3815157, 3900480, 4488420, 4787648, 5086876, 5108160, 5984560, 6358595, 7181472, 7630314, 8976840, 10173752, 11969120, 12717190, 14362944, 15260628, 17953680, 19075785, 20347504, 23938240, 25434380, 30521256, 35907360, 38151570, 40695008, 50868760, 61042512, 71814720, 76303140, 81390016, 101737520, 122085024, 152606280, 203475040, 244170048, 305212560, 406950080, 610425120, 1220850240]

約数ペア:

[(1, 1220850240), (2, 610425120), (3, 406950080), (4, 305212560), (5, 244170048), (6, 203475040), (8, 152606280), (10, 122085024), (12, 101737520), (15, 81390016), (16, 76303140), (17, 71814720), (20, 61042512), (24, 50868760), (30, 40695008), (32, 38151570), (34, 35907360), (40, 30521256), (48, 25434380), (51, 23938240), (60, 20347504), (64, 19075785), (68, 17953680), (80, 15260628), (85, 14362944), (96, 12717190), (102, 11969120), (120, 10173752), (136, 8976840), (160, 7630314), (170, 7181472), (192, 6358595), (204, 5984560), (239, 5108160), (240, 5086876), (255, 4787648), (272, 4488420), (313, 3900480), (320, 3815157), (340, 3590736), (408, 2992280), (478, 2554080), (480, 2543438), (510, 2393824), (544, 2244210), (626, 1950240), (680, 1795368), (717, 1702720), (816, 1496140), (939, 1300160), (956, 1277040), (960, 1271719), (1020, 1196912), (1088, 1122105), (1195, 1021632), (1252, 975120), (1360, 897684), (1434, 851360), (1565, 780096), (1632, 748070), (1878, 650080), (1912, 638520), (2040, 598456), (2390, 510816), (2504, 487560), (2720, 448842), (2868, 425680), (3130, 390048), (3264, 374035), (3585, 340544), (3756, 325040), (3824, 319260), (4063, 300480), (4080, 299228), (4695, 260032), (4780, 255408), (5008, 243780), (5321, 229440), (5440, 224421), (5736, 212840), (6260, 195024), (7170, 170272), (7512, 162520), (7648, 159630), (8126, 150240), (8160, 149614), (9390, 130016), (9560, 127704), (10016, 121890), (10642, 114720), (11472, 106420), (12189, 100160), (12520, 97512), (14340, 85136), (15024, 81260), (15296, 79815), (15963, 76480), (16252, 75120), (16320, 74807), (18780, 65008), (19120, 63852), (20032, 60945), (20315, 60096), (21284, 57360), (22944, 53210), (24378, 50080), (25040, 48756), (26605, 45888), (28680, 42568), (30048, 40630), (31926, 38240), (32504, 37560)]