145978240

素因数分解:

$2^7\times 5^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{211}}^1$

素因数の和:300

約数の個数: 128

約数和(自身を含む): 373662720

約数和(自身を除く): 227684480

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 32, 40, 46, 47, 64, 80, 92, 94, 115, 128, 160, 184, 188, 211, 230, 235, 320, 368, 376, 422, 460, 470, 640, 736, 752, 844, 920, 940, 1055, 1081, 1472, 1504, 1688, 1840, 1880, 2110, 2162, 2944, 3008, 3376, 3680, 3760, 4220, 4324, 4853, 5405, 6016, 6752, 7360, 7520, 8440, 8648, 9706, 9917, 10810, 13504, 14720, 15040, 16880, 17296, 19412, 19834, 21620, 24265, 27008, 30080, 33760, 34592, 38824, 39668, 43240, 48530, 49585, 67520, 69184, 77648, 79336, 86480, 97060, 99170, 135040, 138368, 155296, 158672, 172960, 194120, 198340, 228091, 310592, 317344, 345920, 388240, 396680, 456182, 621184, 634688, 691840, 776480, 793360, 912364, 1140455, 1269376, 1552960, 1586720, 1824728, 2280910, 3105920, 3173440, 3649456, 4561820, 6346880, 7298912, 9123640, 14597824, 18247280, 29195648, 36494560, 72989120, 145978240]

約数ペア:

[(1, 145978240), (2, 72989120), (4, 36494560), (5, 29195648), (8, 18247280), (10, 14597824), (16, 9123640), (20, 7298912), (23, 6346880), (32, 4561820), (40, 3649456), (46, 3173440), (47, 3105920), (64, 2280910), (80, 1824728), (92, 1586720), (94, 1552960), (115, 1269376), (128, 1140455), (160, 912364), (184, 793360), (188, 776480), (211, 691840), (230, 634688), (235, 621184), (320, 456182), (368, 396680), (376, 388240), (422, 345920), (460, 317344), (470, 310592), (640, 228091), (736, 198340), (752, 194120), (844, 172960), (920, 158672), (940, 155296), (1055, 138368), (1081, 135040), (1472, 99170), (1504, 97060), (1688, 86480), (1840, 79336), (1880, 77648), (2110, 69184), (2162, 67520), (2944, 49585), (3008, 48530), (3376, 43240), (3680, 39668), (3760, 38824), (4220, 34592), (4324, 33760), (4853, 30080), (5405, 27008), (6016, 24265), (6752, 21620), (7360, 19834), (7520, 19412), (8440, 17296), (8648, 16880), (9706, 15040), (9917, 14720), (10810, 13504)]