90216560

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{139}}^1$

素因数の和:239

約数の個数: 160

約数和(自身を含む): 258316800

約数和(自身を除く): 168100240

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 19, 20, 28, 35, 38, 40, 56, 61, 70, 76, 80, 95, 112, 122, 133, 139, 140, 152, 190, 244, 266, 278, 280, 304, 305, 380, 427, 488, 532, 556, 560, 610, 665, 695, 760, 854, 973, 976, 1064, 1112, 1159, 1220, 1330, 1390, 1520, 1708, 1946, 2128, 2135, 2224, 2318, 2440, 2641, 2660, 2780, 3416, 3892, 4270, 4636, 4865, 4880, 5282, 5320, 5560, 5795, 6832, 7784, 8113, 8479, 8540, 9272, 9730, 10564, 10640, 11120, 11590, 13205, 15568, 16226, 16958, 17080, 18487, 18544, 19460, 21128, 23180, 26410, 32452, 33916, 34160, 36974, 38920, 40565, 42256, 42395, 46360, 52820, 59353, 64904, 67832, 73948, 77840, 81130, 84790, 92435, 92720, 105640, 118706, 129808, 135664, 147896, 161101, 162260, 169580, 184870, 211280, 237412, 295792, 296765, 322202, 324520, 339160, 369740, 474824, 593530, 644404, 649040, 678320, 739480, 805505, 949648, 1127707, 1187060, 1288808, 1478960, 1611010, 2255414, 2374120, 2577616, 3222020, 4510828, 4748240, 5638535, 6444040, 9021656, 11277070, 12888080, 18043312, 22554140, 45108280, 90216560]

約数ペア:

[(1, 90216560), (2, 45108280), (4, 22554140), (5, 18043312), (7, 12888080), (8, 11277070), (10, 9021656), (14, 6444040), (16, 5638535), (19, 4748240), (20, 4510828), (28, 3222020), (35, 2577616), (38, 2374120), (40, 2255414), (56, 1611010), (61, 1478960), (70, 1288808), (76, 1187060), (80, 1127707), (95, 949648), (112, 805505), (122, 739480), (133, 678320), (139, 649040), (140, 644404), (152, 593530), (190, 474824), (244, 369740), (266, 339160), (278, 324520), (280, 322202), (304, 296765), (305, 295792), (380, 237412), (427, 211280), (488, 184870), (532, 169580), (556, 162260), (560, 161101), (610, 147896), (665, 135664), (695, 129808), (760, 118706), (854, 105640), (973, 92720), (976, 92435), (1064, 84790), (1112, 81130), (1159, 77840), (1220, 73948), (1330, 67832), (1390, 64904), (1520, 59353), (1708, 52820), (1946, 46360), (2128, 42395), (2135, 42256), (2224, 40565), (2318, 38920), (2440, 36974), (2641, 34160), (2660, 33916), (2780, 32452), (3416, 26410), (3892, 23180), (4270, 21128), (4636, 19460), (4865, 18544), (4880, 18487), (5282, 17080), (5320, 16958), (5560, 16226), (5795, 15568), (6832, 13205), (7784, 11590), (8113, 11120), (8479, 10640), (8540, 10564), (9272, 9730)]