291436320

素因数分解:

$2^5\times 3^1\times 5^1\times 7^2\times {\mathrm{12391}}^1$

素因数の和:12423

約数の個数: 144

約数和(自身を含む): 1067992128

約数和(自身を除く): 776555808

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 49, 56, 60, 70, 80, 84, 96, 98, 105, 112, 120, 140, 147, 160, 168, 196, 210, 224, 240, 245, 280, 294, 336, 392, 420, 480, 490, 560, 588, 672, 735, 784, 840, 980, 1120, 1176, 1470, 1568, 1680, 1960, 2352, 2940, 3360, 3920, 4704, 5880, 7840, 11760, 12391, 23520, 24782, 37173, 49564, 61955, 74346, 86737, 99128, 123910, 148692, 173474, 185865, 198256, 247820, 260211, 297384, 346948, 371730, 396512, 433685, 495640, 520422, 594768, 607159, 693896, 743460, 867370, 991280, 1040844, 1189536, 1214318, 1301055, 1387792, 1486920, 1734740, 1821477, 1982560, 2081688, 2428636, 2602110, 2775584, 2973840, 3035795, 3469480, 3642954, 4163376, 4857272, 5204220, 5947680, 6071590, 6938960, 7285908, 8326752, 9107385, 9714544, 10408440, 12143180, 13877920, 14571816, 18214770, 19429088, 20816880, 24286360, 29143632, 36429540, 41633760, 48572720, 58287264, 72859080, 97145440, 145718160, 291436320]

約数ペア:

[(1, 291436320), (2, 145718160), (3, 97145440), (4, 72859080), (5, 58287264), (6, 48572720), (7, 41633760), (8, 36429540), (10, 29143632), (12, 24286360), (14, 20816880), (15, 19429088), (16, 18214770), (20, 14571816), (21, 13877920), (24, 12143180), (28, 10408440), (30, 9714544), (32, 9107385), (35, 8326752), (40, 7285908), (42, 6938960), (48, 6071590), (49, 5947680), (56, 5204220), (60, 4857272), (70, 4163376), (80, 3642954), (84, 3469480), (96, 3035795), (98, 2973840), (105, 2775584), (112, 2602110), (120, 2428636), (140, 2081688), (147, 1982560), (160, 1821477), (168, 1734740), (196, 1486920), (210, 1387792), (224, 1301055), (240, 1214318), (245, 1189536), (280, 1040844), (294, 991280), (336, 867370), (392, 743460), (420, 693896), (480, 607159), (490, 594768), (560, 520422), (588, 495640), (672, 433685), (735, 396512), (784, 371730), (840, 346948), (980, 297384), (1120, 260211), (1176, 247820), (1470, 198256), (1568, 185865), (1680, 173474), (1960, 148692), (2352, 123910), (2940, 99128), (3360, 86737), (3920, 74346), (4704, 61955), (5880, 49564), (7840, 37173), (11760, 24782), (12391, 23520)]