7757440

素因数分解:

$2^7\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1$

素因数の和:90

約数の個数: 128

約数和(自身を含む): 21150720

約数和(自身を除く): 13393280

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 23, 31, 32, 34, 40, 46, 62, 64, 68, 80, 85, 92, 115, 124, 128, 136, 155, 160, 170, 184, 230, 248, 272, 310, 320, 340, 368, 391, 460, 496, 527, 544, 620, 640, 680, 713, 736, 782, 920, 992, 1054, 1088, 1240, 1360, 1426, 1472, 1564, 1840, 1955, 1984, 2108, 2176, 2480, 2635, 2720, 2852, 2944, 3128, 3565, 3680, 3910, 3968, 4216, 4960, 5270, 5440, 5704, 6256, 7130, 7360, 7820, 8432, 9920, 10540, 10880, 11408, 12121, 12512, 14260, 14720, 15640, 16864, 19840, 21080, 22816, 24242, 25024, 28520, 31280, 33728, 42160, 45632, 48484, 50048, 57040, 60605, 62560, 67456, 84320, 91264, 96968, 114080, 121210, 125120, 168640, 193936, 228160, 242420, 250240, 337280, 387872, 456320, 484840, 775744, 969680, 1551488, 1939360, 3878720, 7757440]

約数ペア:

[(1, 7757440), (2, 3878720), (4, 1939360), (5, 1551488), (8, 969680), (10, 775744), (16, 484840), (17, 456320), (20, 387872), (23, 337280), (31, 250240), (32, 242420), (34, 228160), (40, 193936), (46, 168640), (62, 125120), (64, 121210), (68, 114080), (80, 96968), (85, 91264), (92, 84320), (115, 67456), (124, 62560), (128, 60605), (136, 57040), (155, 50048), (160, 48484), (170, 45632), (184, 42160), (230, 33728), (248, 31280), (272, 28520), (310, 25024), (320, 24242), (340, 22816), (368, 21080), (391, 19840), (460, 16864), (496, 15640), (527, 14720), (544, 14260), (620, 12512), (640, 12121), (680, 11408), (713, 10880), (736, 10540), (782, 9920), (920, 8432), (992, 7820), (1054, 7360), (1088, 7130), (1240, 6256), (1360, 5704), (1426, 5440), (1472, 5270), (1564, 4960), (1840, 4216), (1955, 3968), (1984, 3910), (2108, 3680), (2176, 3565), (2480, 3128), (2635, 2944), (2720, 2852)]