71407440

素因数分解:

$2^4\times 3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{2543}}^1$

素因数の和:2578

約数の個数: 160

約数和(自身を含む): 264983040

約数和(自身を除く): 193575600

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 18, 20, 24, 26, 27, 30, 36, 39, 40, 45, 48, 52, 54, 60, 65, 72, 78, 80, 90, 104, 108, 117, 120, 130, 135, 144, 156, 180, 195, 208, 216, 234, 240, 260, 270, 312, 351, 360, 390, 432, 468, 520, 540, 585, 624, 702, 720, 780, 936, 1040, 1080, 1170, 1404, 1560, 1755, 1872, 2160, 2340, 2543, 2808, 3120, 3510, 4680, 5086, 5616, 7020, 7629, 9360, 10172, 12715, 14040, 15258, 20344, 22887, 25430, 28080, 30516, 33059, 38145, 40688, 45774, 50860, 61032, 66118, 68661, 76290, 91548, 99177, 101720, 114435, 122064, 132236, 137322, 152580, 165295, 183096, 198354, 203440, 228870, 264472, 274644, 297531, 305160, 330590, 343305, 366192, 396708, 457740, 495885, 528944, 549288, 595062, 610320, 661180, 686610, 793416, 892593, 915480, 991770, 1098576, 1190124, 1322360, 1373220, 1487655, 1586832, 1785186, 1830960, 1983540, 2380248, 2644720, 2746440, 2975310, 3570372, 3967080, 4462965, 4760496, 5492880, 5950620, 7140744, 7934160, 8925930, 11901240, 14281488, 17851860, 23802480, 35703720, 71407440]

約数ペア:

[(1, 71407440), (2, 35703720), (3, 23802480), (4, 17851860), (5, 14281488), (6, 11901240), (8, 8925930), (9, 7934160), (10, 7140744), (12, 5950620), (13, 5492880), (15, 4760496), (16, 4462965), (18, 3967080), (20, 3570372), (24, 2975310), (26, 2746440), (27, 2644720), (30, 2380248), (36, 1983540), (39, 1830960), (40, 1785186), (45, 1586832), (48, 1487655), (52, 1373220), (54, 1322360), (60, 1190124), (65, 1098576), (72, 991770), (78, 915480), (80, 892593), (90, 793416), (104, 686610), (108, 661180), (117, 610320), (120, 595062), (130, 549288), (135, 528944), (144, 495885), (156, 457740), (180, 396708), (195, 366192), (208, 343305), (216, 330590), (234, 305160), (240, 297531), (260, 274644), (270, 264472), (312, 228870), (351, 203440), (360, 198354), (390, 183096), (432, 165295), (468, 152580), (520, 137322), (540, 132236), (585, 122064), (624, 114435), (702, 101720), (720, 99177), (780, 91548), (936, 76290), (1040, 68661), (1080, 66118), (1170, 61032), (1404, 50860), (1560, 45774), (1755, 40688), (1872, 38145), (2160, 33059), (2340, 30516), (2543, 28080), (2808, 25430), (3120, 22887), (3510, 20344), (4680, 15258), (5086, 14040), (5616, 12715), (7020, 10172), (7629, 9360)]