16131780

素因数分解:

$2^2\times 3^2\times 5^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{59}}^1$

素因数の和:119

約数の個数: 216

約数和(自身を含む): 59754240

約数和(自身を除く): 43622460

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 31, 35, 36, 42, 45, 49, 59, 60, 62, 63, 70, 84, 90, 93, 98, 105, 118, 124, 126, 140, 147, 155, 177, 180, 186, 196, 210, 217, 236, 245, 252, 279, 294, 295, 310, 315, 354, 372, 413, 420, 434, 441, 465, 490, 531, 558, 588, 590, 620, 630, 651, 708, 735, 826, 868, 882, 885, 930, 980, 1062, 1085, 1116, 1180, 1239, 1260, 1302, 1395, 1470, 1519, 1652, 1764, 1770, 1829, 1860, 1953, 2065, 2124, 2170, 2205, 2478, 2604, 2655, 2790, 2891, 2940, 3038, 3255, 3540, 3658, 3717, 3906, 4130, 4340, 4410, 4557, 4956, 5310, 5487, 5580, 5782, 6076, 6195, 6510, 7316, 7434, 7595, 7812, 8260, 8673, 8820, 9114, 9145, 9765, 10620, 10974, 11564, 12390, 12803, 13020, 13671, 14455, 14868, 15190, 16461, 17346, 18228, 18290, 18585, 19530, 21948, 22785, 24780, 25606, 26019, 27342, 27435, 28910, 30380, 32922, 34692, 36580, 37170, 38409, 39060, 43365, 45570, 51212, 52038, 54684, 54870, 57820, 64015, 65844, 68355, 74340, 76818, 82305, 86730, 89621, 91140, 104076, 109740, 115227, 128030, 130095, 136710, 153636, 164610, 173460, 179242, 192045, 230454, 256060, 260190, 268863, 273420, 329220, 358484, 384090, 448105, 460908, 520380, 537726, 576135, 768180, 806589, 896210, 1075452, 1152270, 1344315, 1613178, 1792420, 2304540, 2688630, 3226356, 4032945, 5377260, 8065890, 16131780]

約数ペア:

[(1, 16131780), (2, 8065890), (3, 5377260), (4, 4032945), (5, 3226356), (6, 2688630), (7, 2304540), (9, 1792420), (10, 1613178), (12, 1344315), (14, 1152270), (15, 1075452), (18, 896210), (20, 806589), (21, 768180), (28, 576135), (30, 537726), (31, 520380), (35, 460908), (36, 448105), (42, 384090), (45, 358484), (49, 329220), (59, 273420), (60, 268863), (62, 260190), (63, 256060), (70, 230454), (84, 192045), (90, 179242), (93, 173460), (98, 164610), (105, 153636), (118, 136710), (124, 130095), (126, 128030), (140, 115227), (147, 109740), (155, 104076), (177, 91140), (180, 89621), (186, 86730), (196, 82305), (210, 76818), (217, 74340), (236, 68355), (245, 65844), (252, 64015), (279, 57820), (294, 54870), (295, 54684), (310, 52038), (315, 51212), (354, 45570), (372, 43365), (413, 39060), (420, 38409), (434, 37170), (441, 36580), (465, 34692), (490, 32922), (531, 30380), (558, 28910), (588, 27435), (590, 27342), (620, 26019), (630, 25606), (651, 24780), (708, 22785), (735, 21948), (826, 19530), (868, 18585), (882, 18290), (885, 18228), (930, 17346), (980, 16461), (1062, 15190), (1085, 14868), (1116, 14455), (1180, 13671), (1239, 13020), (1260, 12803), (1302, 12390), (1395, 11564), (1470, 10974), (1519, 10620), (1652, 9765), (1764, 9145), (1770, 9114), (1829, 8820), (1860, 8673), (1953, 8260), (2065, 7812), (2124, 7595), (2170, 7434), (2205, 7316), (2478, 6510), (2604, 6195), (2655, 6076), (2790, 5782), (2891, 5580), (2940, 5487), (3038, 5310), (3255, 4956), (3540, 4557), (3658, 4410), (3717, 4340), (3906, 4130)]