388707660

素因数分解:

$2^2\times 3^5\times 5^1\times {\mathrm{11}}^2\times {\mathrm{661}}^1$

素因数の和:707

約数の個数: 216

約数和(自身を含む): 1346047248

約数和(自身を除く): 957339588

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 27, 30, 33, 36, 44, 45, 54, 55, 60, 66, 81, 90, 99, 108, 110, 121, 132, 135, 162, 165, 180, 198, 220, 242, 243, 270, 297, 324, 330, 363, 396, 405, 484, 486, 495, 540, 594, 605, 660, 661, 726, 810, 891, 972, 990, 1089, 1188, 1210, 1215, 1322, 1452, 1485, 1620, 1782, 1815, 1980, 1983, 2178, 2420, 2430, 2644, 2673, 2970, 3267, 3305, 3564, 3630, 3966, 4356, 4455, 4860, 5346, 5445, 5940, 5949, 6534, 6610, 7260, 7271, 7932, 8910, 9801, 9915, 10692, 10890, 11898, 13068, 13220, 13365, 14542, 16335, 17820, 17847, 19602, 19830, 21780, 21813, 23796, 26730, 29084, 29403, 29745, 32670, 35694, 36355, 39204, 39660, 43626, 49005, 53460, 53541, 58806, 59490, 65340, 65439, 71388, 72710, 79981, 87252, 89235, 98010, 107082, 109065, 117612, 118980, 130878, 145420, 147015, 159962, 160623, 178470, 196020, 196317, 214164, 218130, 239943, 261756, 267705, 294030, 319924, 321246, 327195, 356940, 392634, 399905, 436260, 479886, 535410, 588060, 588951, 642492, 654390, 719829, 785268, 799810, 803115, 959772, 981585, 1070820, 1177902, 1199715, 1308780, 1439658, 1599620, 1606230, 1766853, 1963170, 2159487, 2355804, 2399430, 2879316, 2944755, 3212460, 3533706, 3599145, 3926340, 4318974, 4798860, 5889510, 6478461, 7067412, 7198290, 8637948, 8834265, 10797435, 11779020, 12956922, 14396580, 17668530, 19435383, 21594870, 25913844, 32392305, 35337060, 38870766, 43189740, 64784610, 77741532, 97176915, 129569220, 194353830, 388707660]

約数ペア:

[(1, 388707660), (2, 194353830), (3, 129569220), (4, 97176915), (5, 77741532), (6, 64784610), (9, 43189740), (10, 38870766), (11, 35337060), (12, 32392305), (15, 25913844), (18, 21594870), (20, 19435383), (22, 17668530), (27, 14396580), (30, 12956922), (33, 11779020), (36, 10797435), (44, 8834265), (45, 8637948), (54, 7198290), (55, 7067412), (60, 6478461), (66, 5889510), (81, 4798860), (90, 4318974), (99, 3926340), (108, 3599145), (110, 3533706), (121, 3212460), (132, 2944755), (135, 2879316), (162, 2399430), (165, 2355804), (180, 2159487), (198, 1963170), (220, 1766853), (242, 1606230), (243, 1599620), (270, 1439658), (297, 1308780), (324, 1199715), (330, 1177902), (363, 1070820), (396, 981585), (405, 959772), (484, 803115), (486, 799810), (495, 785268), (540, 719829), (594, 654390), (605, 642492), (660, 588951), (661, 588060), (726, 535410), (810, 479886), (891, 436260), (972, 399905), (990, 392634), (1089, 356940), (1188, 327195), (1210, 321246), (1215, 319924), (1322, 294030), (1452, 267705), (1485, 261756), (1620, 239943), (1782, 218130), (1815, 214164), (1980, 196317), (1983, 196020), (2178, 178470), (2420, 160623), (2430, 159962), (2644, 147015), (2673, 145420), (2970, 130878), (3267, 118980), (3305, 117612), (3564, 109065), (3630, 107082), (3966, 98010), (4356, 89235), (4455, 87252), (4860, 79981), (5346, 72710), (5445, 71388), (5940, 65439), (5949, 65340), (6534, 59490), (6610, 58806), (7260, 53541), (7271, 53460), (7932, 49005), (8910, 43626), (9801, 39660), (9915, 39204), (10692, 36355), (10890, 35694), (11898, 32670), (13068, 29745), (13220, 29403), (13365, 29084), (14542, 26730), (16335, 23796), (17820, 21813), (17847, 21780), (19602, 19830)]