72781488

素因数分解:

$2^4\times 3^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{2287}}^1$

素因数の和:2331

約数の個数: 120

約数和(自身を含む): 232360128

約数和(自身を除く): 159578640

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 17, 18, 24, 26, 34, 36, 39, 48, 51, 52, 68, 72, 78, 102, 104, 117, 136, 144, 153, 156, 204, 208, 221, 234, 272, 306, 312, 408, 442, 468, 612, 624, 663, 816, 884, 936, 1224, 1326, 1768, 1872, 1989, 2287, 2448, 2652, 3536, 3978, 4574, 5304, 6861, 7956, 9148, 10608, 13722, 15912, 18296, 20583, 27444, 29731, 31824, 36592, 38879, 41166, 54888, 59462, 77758, 82332, 89193, 109776, 116637, 118924, 155516, 164664, 178386, 233274, 237848, 267579, 311032, 329328, 349911, 356772, 466548, 475696, 505427, 535158, 622064, 699822, 713544, 933096, 1010854, 1070316, 1399644, 1427088, 1516281, 1866192, 2021708, 2140632, 2799288, 3032562, 4043416, 4281264, 4548843, 5598576, 6065124, 8086832, 9097686, 12130248, 18195372, 24260496, 36390744, 72781488]

約数ペア:

[(1, 72781488), (2, 36390744), (3, 24260496), (4, 18195372), (6, 12130248), (8, 9097686), (9, 8086832), (12, 6065124), (13, 5598576), (16, 4548843), (17, 4281264), (18, 4043416), (24, 3032562), (26, 2799288), (34, 2140632), (36, 2021708), (39, 1866192), (48, 1516281), (51, 1427088), (52, 1399644), (68, 1070316), (72, 1010854), (78, 933096), (102, 713544), (104, 699822), (117, 622064), (136, 535158), (144, 505427), (153, 475696), (156, 466548), (204, 356772), (208, 349911), (221, 329328), (234, 311032), (272, 267579), (306, 237848), (312, 233274), (408, 178386), (442, 164664), (468, 155516), (612, 118924), (624, 116637), (663, 109776), (816, 89193), (884, 82332), (936, 77758), (1224, 59462), (1326, 54888), (1768, 41166), (1872, 38879), (1989, 36592), (2287, 31824), (2448, 29731), (2652, 27444), (3536, 20583), (3978, 18296), (4574, 15912), (5304, 13722), (6861, 10608), (7956, 9148)]