64791720

素因数分解:

$2^3\times 3^2\times 5^1\times 7^2\times {\mathrm{3673}}^1$

素因数の和:3704

約数の個数: 144

約数和(自身を含む): 245019060

約数和(自身を除く): 180227340

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 49, 56, 60, 63, 70, 72, 84, 90, 98, 105, 120, 126, 140, 147, 168, 180, 196, 210, 245, 252, 280, 294, 315, 360, 392, 420, 441, 490, 504, 588, 630, 735, 840, 882, 980, 1176, 1260, 1470, 1764, 1960, 2205, 2520, 2940, 3528, 3673, 4410, 5880, 7346, 8820, 11019, 14692, 17640, 18365, 22038, 25711, 29384, 33057, 36730, 44076, 51422, 55095, 66114, 73460, 77133, 88152, 102844, 110190, 128555, 132228, 146920, 154266, 165285, 179977, 205688, 220380, 231399, 257110, 264456, 308532, 330570, 359954, 385665, 440760, 462798, 514220, 539931, 617064, 661140, 719908, 771330, 899885, 925596, 1028440, 1079862, 1156995, 1322280, 1439816, 1542660, 1619793, 1799770, 1851192, 2159724, 2313990, 2699655, 3085320, 3239586, 3599540, 4319448, 4627980, 5399310, 6479172, 7199080, 8098965, 9255960, 10798620, 12958344, 16197930, 21597240, 32395860, 64791720]

約数ペア:

[(1, 64791720), (2, 32395860), (3, 21597240), (4, 16197930), (5, 12958344), (6, 10798620), (7, 9255960), (8, 8098965), (9, 7199080), (10, 6479172), (12, 5399310), (14, 4627980), (15, 4319448), (18, 3599540), (20, 3239586), (21, 3085320), (24, 2699655), (28, 2313990), (30, 2159724), (35, 1851192), (36, 1799770), (40, 1619793), (42, 1542660), (45, 1439816), (49, 1322280), (56, 1156995), (60, 1079862), (63, 1028440), (70, 925596), (72, 899885), (84, 771330), (90, 719908), (98, 661140), (105, 617064), (120, 539931), (126, 514220), (140, 462798), (147, 440760), (168, 385665), (180, 359954), (196, 330570), (210, 308532), (245, 264456), (252, 257110), (280, 231399), (294, 220380), (315, 205688), (360, 179977), (392, 165285), (420, 154266), (441, 146920), (490, 132228), (504, 128555), (588, 110190), (630, 102844), (735, 88152), (840, 77133), (882, 73460), (980, 66114), (1176, 55095), (1260, 51422), (1470, 44076), (1764, 36730), (1960, 33057), (2205, 29384), (2520, 25711), (2940, 22038), (3528, 18365), (3673, 17640), (4410, 14692), (5880, 11019), (7346, 8820)]