1243281780

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{487}}^1\times {\mathrm{1091}}^1$

素因数の和:1606

約数の個数: 144

約数和(自身を含む): 4073457024

約数和(自身を除く): 2830175244

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 30, 36, 39, 45, 52, 60, 65, 78, 90, 117, 130, 156, 180, 195, 234, 260, 390, 468, 487, 585, 780, 974, 1091, 1170, 1461, 1948, 2182, 2340, 2435, 2922, 3273, 4364, 4383, 4870, 5455, 5844, 6331, 6546, 7305, 8766, 9740, 9819, 10910, 12662, 13092, 14183, 14610, 16365, 17532, 18993, 19638, 21820, 21915, 25324, 28366, 29220, 31655, 32730, 37986, 39276, 42549, 43830, 49095, 56732, 56979, 63310, 65460, 70915, 75972, 85098, 87660, 94965, 98190, 113958, 126620, 127647, 141830, 170196, 189930, 196380, 212745, 227916, 255294, 283660, 284895, 379860, 425490, 510588, 531317, 569790, 638235, 850980, 1062634, 1139580, 1276470, 1593951, 2125268, 2552940, 2656585, 3187902, 4781853, 5313170, 6375804, 6907121, 7969755, 9563706, 10626340, 13814242, 15939510, 19127412, 20721363, 23909265, 27628484, 31879020, 34535605, 41442726, 47818530, 62164089, 69071210, 82885452, 95637060, 103606815, 124328178, 138142420, 207213630, 248656356, 310820445, 414427260, 621640890, 1243281780]

約数ペア:

[(1, 1243281780), (2, 621640890), (3, 414427260), (4, 310820445), (5, 248656356), (6, 207213630), (9, 138142420), (10, 124328178), (12, 103606815), (13, 95637060), (15, 82885452), (18, 69071210), (20, 62164089), (26, 47818530), (30, 41442726), (36, 34535605), (39, 31879020), (45, 27628484), (52, 23909265), (60, 20721363), (65, 19127412), (78, 15939510), (90, 13814242), (117, 10626340), (130, 9563706), (156, 7969755), (180, 6907121), (195, 6375804), (234, 5313170), (260, 4781853), (390, 3187902), (468, 2656585), (487, 2552940), (585, 2125268), (780, 1593951), (974, 1276470), (1091, 1139580), (1170, 1062634), (1461, 850980), (1948, 638235), (2182, 569790), (2340, 531317), (2435, 510588), (2922, 425490), (3273, 379860), (4364, 284895), (4383, 283660), (4870, 255294), (5455, 227916), (5844, 212745), (6331, 196380), (6546, 189930), (7305, 170196), (8766, 141830), (9740, 127647), (9819, 126620), (10910, 113958), (12662, 98190), (13092, 94965), (14183, 87660), (14610, 85098), (16365, 75972), (17532, 70915), (18993, 65460), (19638, 63310), (21820, 56979), (21915, 56732), (25324, 49095), (28366, 43830), (29220, 42549), (31655, 39276), (32730, 37986)]