77997040

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{1453}}^1$

素因数の和:1538

約数の個数: 80

約数和(自身を含む): 201210336

約数和(自身を除く): 123213296

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 61, 80, 88, 110, 122, 176, 220, 244, 305, 440, 488, 610, 671, 880, 976, 1220, 1342, 1453, 2440, 2684, 2906, 3355, 4880, 5368, 5812, 6710, 7265, 10736, 11624, 13420, 14530, 15983, 23248, 26840, 29060, 31966, 53680, 58120, 63932, 79915, 88633, 116240, 127864, 159830, 177266, 255728, 319660, 354532, 443165, 639320, 709064, 886330, 974963, 1278640, 1418128, 1772660, 1949926, 3545320, 3899852, 4874815, 7090640, 7799704, 9749630, 15599408, 19499260, 38998520, 77997040]

約数ペア:

[(1, 77997040), (2, 38998520), (4, 19499260), (5, 15599408), (8, 9749630), (10, 7799704), (11, 7090640), (16, 4874815), (20, 3899852), (22, 3545320), (40, 1949926), (44, 1772660), (55, 1418128), (61, 1278640), (80, 974963), (88, 886330), (110, 709064), (122, 639320), (176, 443165), (220, 354532), (244, 319660), (305, 255728), (440, 177266), (488, 159830), (610, 127864), (671, 116240), (880, 88633), (976, 79915), (1220, 63932), (1342, 58120), (1453, 53680), (2440, 31966), (2684, 29060), (2906, 26840), (3355, 23248), (4880, 15983), (5368, 14530), (5812, 13420), (6710, 11624), (7265, 10736)]