219654840

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{137}}^1\times {\mathrm{431}}^1$

素因数の和:613

約数の個数: 128

約数和(自身を含む): 686776320

約数和(自身を除く): 467121480

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 31, 40, 60, 62, 93, 120, 124, 137, 155, 186, 248, 274, 310, 372, 411, 431, 465, 548, 620, 685, 744, 822, 862, 930, 1096, 1240, 1293, 1370, 1644, 1724, 1860, 2055, 2155, 2586, 2740, 3288, 3448, 3720, 4110, 4247, 4310, 5172, 5480, 6465, 8220, 8494, 8620, 10344, 12741, 12930, 13361, 16440, 16988, 17240, 21235, 25482, 25860, 26722, 33976, 40083, 42470, 50964, 51720, 53444, 59047, 63705, 66805, 80166, 84940, 101928, 106888, 118094, 127410, 133610, 160332, 169880, 177141, 200415, 236188, 254820, 267220, 295235, 320664, 354282, 400830, 472376, 509640, 534440, 590470, 708564, 801660, 885705, 1180940, 1417128, 1603320, 1771410, 1830457, 2361880, 3542820, 3660914, 5491371, 7085640, 7321828, 9152285, 10982742, 14643656, 18304570, 21965484, 27456855, 36609140, 43930968, 54913710, 73218280, 109827420, 219654840]

約数ペア:

[(1, 219654840), (2, 109827420), (3, 73218280), (4, 54913710), (5, 43930968), (6, 36609140), (8, 27456855), (10, 21965484), (12, 18304570), (15, 14643656), (20, 10982742), (24, 9152285), (30, 7321828), (31, 7085640), (40, 5491371), (60, 3660914), (62, 3542820), (93, 2361880), (120, 1830457), (124, 1771410), (137, 1603320), (155, 1417128), (186, 1180940), (248, 885705), (274, 801660), (310, 708564), (372, 590470), (411, 534440), (431, 509640), (465, 472376), (548, 400830), (620, 354282), (685, 320664), (744, 295235), (822, 267220), (862, 254820), (930, 236188), (1096, 200415), (1240, 177141), (1293, 169880), (1370, 160332), (1644, 133610), (1724, 127410), (1860, 118094), (2055, 106888), (2155, 101928), (2586, 84940), (2740, 80166), (3288, 66805), (3448, 63705), (3720, 59047), (4110, 53444), (4247, 51720), (4310, 50964), (5172, 42470), (5480, 40083), (6465, 33976), (8220, 26722), (8494, 25860), (8620, 25482), (10344, 21235), (12741, 17240), (12930, 16988), (13361, 16440)]