78973120

素因数分解:

$2^6\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{419}}^1$

素因数の和:486

約数の個数: 112

約数和(自身を含む): 204825600

約数和(自身を除く): 125852480

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 31, 32, 38, 40, 62, 64, 76, 80, 95, 124, 152, 155, 160, 190, 248, 304, 310, 320, 380, 419, 496, 589, 608, 620, 760, 838, 992, 1178, 1216, 1240, 1520, 1676, 1984, 2095, 2356, 2480, 2945, 3040, 3352, 4190, 4712, 4960, 5890, 6080, 6704, 7961, 8380, 9424, 9920, 11780, 12989, 13408, 15922, 16760, 18848, 23560, 25978, 26816, 31844, 33520, 37696, 39805, 47120, 51956, 63688, 64945, 67040, 79610, 94240, 103912, 127376, 129890, 134080, 159220, 188480, 207824, 246791, 254752, 259780, 318440, 415648, 493582, 509504, 519560, 636880, 831296, 987164, 1039120, 1233955, 1273760, 1974328, 2078240, 2467910, 2547520, 3948656, 4156480, 4935820, 7897312, 9871640, 15794624, 19743280, 39486560, 78973120]

約数ペア:

[(1, 78973120), (2, 39486560), (4, 19743280), (5, 15794624), (8, 9871640), (10, 7897312), (16, 4935820), (19, 4156480), (20, 3948656), (31, 2547520), (32, 2467910), (38, 2078240), (40, 1974328), (62, 1273760), (64, 1233955), (76, 1039120), (80, 987164), (95, 831296), (124, 636880), (152, 519560), (155, 509504), (160, 493582), (190, 415648), (248, 318440), (304, 259780), (310, 254752), (320, 246791), (380, 207824), (419, 188480), (496, 159220), (589, 134080), (608, 129890), (620, 127376), (760, 103912), (838, 94240), (992, 79610), (1178, 67040), (1216, 64945), (1240, 63688), (1520, 51956), (1676, 47120), (1984, 39805), (2095, 37696), (2356, 33520), (2480, 31844), (2945, 26816), (3040, 25978), (3352, 23560), (4190, 18848), (4712, 16760), (4960, 15922), (5890, 13408), (6080, 12989), (6704, 11780), (7961, 9920), (8380, 9424)]