245469720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{71}}^1\times {\mathrm{613}}^1$

素因数の和:745

約数の個数: 128

約数和(自身を含む): 763914240

約数和(自身を除く): 518444520

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 47, 60, 71, 94, 120, 141, 142, 188, 213, 235, 282, 284, 355, 376, 426, 470, 564, 568, 613, 705, 710, 852, 940, 1065, 1128, 1226, 1410, 1420, 1704, 1839, 1880, 2130, 2452, 2820, 2840, 3065, 3337, 3678, 4260, 4904, 5640, 6130, 6674, 7356, 8520, 9195, 10011, 12260, 13348, 14712, 16685, 18390, 20022, 24520, 26696, 28811, 33370, 36780, 40044, 43523, 50055, 57622, 66740, 73560, 80088, 86433, 87046, 100110, 115244, 130569, 133480, 144055, 172866, 174092, 200220, 217615, 230488, 261138, 288110, 345732, 348184, 400440, 432165, 435230, 522276, 576220, 652845, 691464, 864330, 870460, 1044552, 1152440, 1305690, 1728660, 1740920, 2045581, 2611380, 3457320, 4091162, 5222760, 6136743, 8182324, 10227905, 12273486, 16364648, 20455810, 24546972, 30683715, 40911620, 49093944, 61367430, 81823240, 122734860, 245469720]

約数ペア:

[(1, 245469720), (2, 122734860), (3, 81823240), (4, 61367430), (5, 49093944), (6, 40911620), (8, 30683715), (10, 24546972), (12, 20455810), (15, 16364648), (20, 12273486), (24, 10227905), (30, 8182324), (40, 6136743), (47, 5222760), (60, 4091162), (71, 3457320), (94, 2611380), (120, 2045581), (141, 1740920), (142, 1728660), (188, 1305690), (213, 1152440), (235, 1044552), (282, 870460), (284, 864330), (355, 691464), (376, 652845), (426, 576220), (470, 522276), (564, 435230), (568, 432165), (613, 400440), (705, 348184), (710, 345732), (852, 288110), (940, 261138), (1065, 230488), (1128, 217615), (1226, 200220), (1410, 174092), (1420, 172866), (1704, 144055), (1839, 133480), (1880, 130569), (2130, 115244), (2452, 100110), (2820, 87046), (2840, 86433), (3065, 80088), (3337, 73560), (3678, 66740), (4260, 57622), (4904, 50055), (5640, 43523), (6130, 40044), (6674, 36780), (7356, 33370), (8520, 28811), (9195, 26696), (10011, 24520), (12260, 20022), (13348, 18390), (14712, 16685)]