198435720

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{10271}}^1$

素因数の和:10315

約数の個数: 128

約数和(自身を含む): 710000640

約数和(自身を除く): 511564920

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 23, 24, 28, 30, 35, 40, 42, 46, 56, 60, 69, 70, 84, 92, 105, 115, 120, 138, 140, 161, 168, 184, 210, 230, 276, 280, 322, 345, 420, 460, 483, 552, 644, 690, 805, 840, 920, 966, 1288, 1380, 1610, 1932, 2415, 2760, 3220, 3864, 4830, 6440, 9660, 10271, 19320, 20542, 30813, 41084, 51355, 61626, 71897, 82168, 102710, 123252, 143794, 154065, 205420, 215691, 236233, 246504, 287588, 308130, 359485, 410840, 431382, 472466, 575176, 616260, 708699, 718970, 862764, 944932, 1078455, 1181165, 1232520, 1417398, 1437940, 1653631, 1725528, 1889864, 2156910, 2362330, 2834796, 2875880, 3307262, 3543495, 4313820, 4724660, 4960893, 5669592, 6614524, 7086990, 8268155, 8627640, 9449320, 9921786, 13229048, 14173980, 16536310, 19843572, 24804465, 28347960, 33072620, 39687144, 49608930, 66145240, 99217860, 198435720]

約数ペア:

[(1, 198435720), (2, 99217860), (3, 66145240), (4, 49608930), (5, 39687144), (6, 33072620), (7, 28347960), (8, 24804465), (10, 19843572), (12, 16536310), (14, 14173980), (15, 13229048), (20, 9921786), (21, 9449320), (23, 8627640), (24, 8268155), (28, 7086990), (30, 6614524), (35, 5669592), (40, 4960893), (42, 4724660), (46, 4313820), (56, 3543495), (60, 3307262), (69, 2875880), (70, 2834796), (84, 2362330), (92, 2156910), (105, 1889864), (115, 1725528), (120, 1653631), (138, 1437940), (140, 1417398), (161, 1232520), (168, 1181165), (184, 1078455), (210, 944932), (230, 862764), (276, 718970), (280, 708699), (322, 616260), (345, 575176), (420, 472466), (460, 431382), (483, 410840), (552, 359485), (644, 308130), (690, 287588), (805, 246504), (840, 236233), (920, 215691), (966, 205420), (1288, 154065), (1380, 143794), (1610, 123252), (1932, 102710), (2415, 82168), (2760, 71897), (3220, 61626), (3864, 51355), (4830, 41084), (6440, 30813), (9660, 20542), (10271, 19320)]