19641960

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1399}}^1$

素因数の和:1432

約数の個数: 128

約数和(自身を含む): 70560000

約数和(自身を除く): 50918040

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 18, 20, 24, 26, 27, 30, 36, 39, 40, 45, 52, 54, 60, 65, 72, 78, 90, 104, 108, 117, 120, 130, 135, 156, 180, 195, 216, 234, 260, 270, 312, 351, 360, 390, 468, 520, 540, 585, 702, 780, 936, 1080, 1170, 1399, 1404, 1560, 1755, 2340, 2798, 2808, 3510, 4197, 4680, 5596, 6995, 7020, 8394, 11192, 12591, 13990, 14040, 16788, 18187, 20985, 25182, 27980, 33576, 36374, 37773, 41970, 50364, 54561, 55960, 62955, 72748, 75546, 83940, 90935, 100728, 109122, 125910, 145496, 151092, 163683, 167880, 181870, 188865, 218244, 251820, 272805, 302184, 327366, 363740, 377730, 436488, 491049, 503640, 545610, 654732, 727480, 755460, 818415, 982098, 1091220, 1309464, 1510920, 1636830, 1964196, 2182440, 2455245, 3273660, 3928392, 4910490, 6547320, 9820980, 19641960]

約数ペア:

[(1, 19641960), (2, 9820980), (3, 6547320), (4, 4910490), (5, 3928392), (6, 3273660), (8, 2455245), (9, 2182440), (10, 1964196), (12, 1636830), (13, 1510920), (15, 1309464), (18, 1091220), (20, 982098), (24, 818415), (26, 755460), (27, 727480), (30, 654732), (36, 545610), (39, 503640), (40, 491049), (45, 436488), (52, 377730), (54, 363740), (60, 327366), (65, 302184), (72, 272805), (78, 251820), (90, 218244), (104, 188865), (108, 181870), (117, 167880), (120, 163683), (130, 151092), (135, 145496), (156, 125910), (180, 109122), (195, 100728), (216, 90935), (234, 83940), (260, 75546), (270, 72748), (312, 62955), (351, 55960), (360, 54561), (390, 50364), (468, 41970), (520, 37773), (540, 36374), (585, 33576), (702, 27980), (780, 25182), (936, 20985), (1080, 18187), (1170, 16788), (1399, 14040), (1404, 13990), (1560, 12591), (1755, 11192), (2340, 8394), (2798, 7020), (2808, 6995), (3510, 5596), (4197, 4680)]