72848880

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{181}}^1$

素因数の和:256

約数の個数: 240

約数和(自身を含む): 271086816

約数和(自身を除く): 198237936

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 18, 20, 24, 26, 30, 36, 39, 40, 43, 45, 48, 52, 60, 65, 72, 78, 80, 86, 90, 104, 117, 120, 129, 130, 144, 156, 172, 180, 181, 195, 208, 215, 234, 240, 258, 260, 312, 344, 360, 362, 387, 390, 430, 468, 516, 520, 543, 559, 585, 624, 645, 688, 720, 724, 774, 780, 860, 905, 936, 1032, 1040, 1086, 1118, 1170, 1290, 1448, 1548, 1560, 1629, 1677, 1720, 1810, 1872, 1935, 2064, 2172, 2236, 2340, 2353, 2580, 2715, 2795, 2896, 3096, 3120, 3258, 3354, 3440, 3620, 3870, 4344, 4472, 4680, 4706, 5031, 5160, 5430, 5590, 6192, 6516, 6708, 7059, 7240, 7740, 7783, 8145, 8385, 8688, 8944, 9360, 9412, 10062, 10320, 10860, 11180, 11765, 13032, 13416, 14118, 14480, 15480, 15566, 16290, 16770, 18824, 20124, 21177, 21720, 22360, 23349, 23530, 25155, 26064, 26832, 28236, 30960, 31132, 32580, 33540, 35295, 37648, 38915, 40248, 42354, 43440, 44720, 46698, 47060, 50310, 56472, 62264, 65160, 67080, 70047, 70590, 77830, 80496, 84708, 93396, 94120, 100620, 101179, 105885, 112944, 116745, 124528, 130320, 134160, 140094, 141180, 155660, 169416, 186792, 188240, 201240, 202358, 211770, 233490, 280188, 282360, 303537, 311320, 338832, 350235, 373584, 402480, 404716, 423540, 466980, 505895, 560376, 564720, 607074, 622640, 700470, 809432, 847080, 910611, 933960, 1011790, 1120752, 1214148, 1400940, 1517685, 1618864, 1694160, 1821222, 1867920, 2023580, 2428296, 2801880, 3035370, 3642444, 4047160, 4553055, 4856592, 5603760, 6070740, 7284888, 8094320, 9106110, 12141480, 14569776, 18212220, 24282960, 36424440, 72848880]

約数ペア:

[(1, 72848880), (2, 36424440), (3, 24282960), (4, 18212220), (5, 14569776), (6, 12141480), (8, 9106110), (9, 8094320), (10, 7284888), (12, 6070740), (13, 5603760), (15, 4856592), (16, 4553055), (18, 4047160), (20, 3642444), (24, 3035370), (26, 2801880), (30, 2428296), (36, 2023580), (39, 1867920), (40, 1821222), (43, 1694160), (45, 1618864), (48, 1517685), (52, 1400940), (60, 1214148), (65, 1120752), (72, 1011790), (78, 933960), (80, 910611), (86, 847080), (90, 809432), (104, 700470), (117, 622640), (120, 607074), (129, 564720), (130, 560376), (144, 505895), (156, 466980), (172, 423540), (180, 404716), (181, 402480), (195, 373584), (208, 350235), (215, 338832), (234, 311320), (240, 303537), (258, 282360), (260, 280188), (312, 233490), (344, 211770), (360, 202358), (362, 201240), (387, 188240), (390, 186792), (430, 169416), (468, 155660), (516, 141180), (520, 140094), (543, 134160), (559, 130320), (585, 124528), (624, 116745), (645, 112944), (688, 105885), (720, 101179), (724, 100620), (774, 94120), (780, 93396), (860, 84708), (905, 80496), (936, 77830), (1032, 70590), (1040, 70047), (1086, 67080), (1118, 65160), (1170, 62264), (1290, 56472), (1448, 50310), (1548, 47060), (1560, 46698), (1629, 44720), (1677, 43440), (1720, 42354), (1810, 40248), (1872, 38915), (1935, 37648), (2064, 35295), (2172, 33540), (2236, 32580), (2340, 31132), (2353, 30960), (2580, 28236), (2715, 26832), (2795, 26064), (2896, 25155), (3096, 23530), (3120, 23349), (3258, 22360), (3354, 21720), (3440, 21177), (3620, 20124), (3870, 18824), (4344, 16770), (4472, 16290), (4680, 15566), (4706, 15480), (5031, 14480), (5160, 14118), (5430, 13416), (5590, 13032), (6192, 11765), (6516, 11180), (6708, 10860), (7059, 10320), (7240, 10062), (7740, 9412), (7783, 9360), (8145, 8944), (8385, 8688)]