198183720

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{3323}}^1$

素因数の和:3415

約数の個数: 128

約数和(自身を含む): 689264640

約数和(自身を除く): 491080920

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 71, 84, 105, 120, 140, 142, 168, 210, 213, 280, 284, 355, 420, 426, 497, 568, 710, 840, 852, 994, 1065, 1420, 1491, 1704, 1988, 2130, 2485, 2840, 2982, 3323, 3976, 4260, 4970, 5964, 6646, 7455, 8520, 9940, 9969, 11928, 13292, 14910, 16615, 19880, 19938, 23261, 26584, 29820, 33230, 39876, 46522, 49845, 59640, 66460, 69783, 79752, 93044, 99690, 116305, 132920, 139566, 186088, 199380, 232610, 235933, 279132, 348915, 398760, 465220, 471866, 558264, 697830, 707799, 930440, 943732, 1179665, 1395660, 1415598, 1651531, 1887464, 2359330, 2791320, 2831196, 3303062, 3538995, 4718660, 4954593, 5662392, 6606124, 7077990, 8257655, 9437320, 9909186, 13212248, 14155980, 16515310, 19818372, 24772965, 28311960, 33030620, 39636744, 49545930, 66061240, 99091860, 198183720]

約数ペア:

[(1, 198183720), (2, 99091860), (3, 66061240), (4, 49545930), (5, 39636744), (6, 33030620), (7, 28311960), (8, 24772965), (10, 19818372), (12, 16515310), (14, 14155980), (15, 13212248), (20, 9909186), (21, 9437320), (24, 8257655), (28, 7077990), (30, 6606124), (35, 5662392), (40, 4954593), (42, 4718660), (56, 3538995), (60, 3303062), (70, 2831196), (71, 2791320), (84, 2359330), (105, 1887464), (120, 1651531), (140, 1415598), (142, 1395660), (168, 1179665), (210, 943732), (213, 930440), (280, 707799), (284, 697830), (355, 558264), (420, 471866), (426, 465220), (497, 398760), (568, 348915), (710, 279132), (840, 235933), (852, 232610), (994, 199380), (1065, 186088), (1420, 139566), (1491, 132920), (1704, 116305), (1988, 99690), (2130, 93044), (2485, 79752), (2840, 69783), (2982, 66460), (3323, 59640), (3976, 49845), (4260, 46522), (4970, 39876), (5964, 33230), (6646, 29820), (7455, 26584), (8520, 23261), (9940, 19938), (9969, 19880), (11928, 16615), (13292, 14910)]