131818960

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{953}}^1$

素因数の和:1005

約数の個数: 160

約数和(自身を含む): 397474560

約数和(自身を除く): 265655600

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 19, 20, 26, 28, 35, 38, 40, 52, 56, 65, 70, 76, 80, 91, 95, 104, 112, 130, 133, 140, 152, 182, 190, 208, 247, 260, 266, 280, 304, 364, 380, 455, 494, 520, 532, 560, 665, 728, 760, 910, 953, 988, 1040, 1064, 1235, 1330, 1456, 1520, 1729, 1820, 1906, 1976, 2128, 2470, 2660, 3458, 3640, 3812, 3952, 4765, 4940, 5320, 6671, 6916, 7280, 7624, 8645, 9530, 9880, 10640, 12389, 13342, 13832, 15248, 17290, 18107, 19060, 19760, 24778, 26684, 27664, 33355, 34580, 36214, 38120, 49556, 53368, 61945, 66710, 69160, 72428, 76240, 86723, 90535, 99112, 106736, 123890, 126749, 133420, 138320, 144856, 173446, 181070, 198224, 235391, 247780, 253498, 266840, 289712, 346892, 362140, 433615, 470782, 495560, 506996, 533680, 633745, 693784, 724280, 867230, 941564, 991120, 1013992, 1176955, 1267490, 1387568, 1448560, 1647737, 1734460, 1883128, 2027984, 2353910, 2534980, 3295474, 3468920, 3766256, 4707820, 5069960, 6590948, 6937840, 8238685, 9415640, 10139920, 13181896, 16477370, 18831280, 26363792, 32954740, 65909480, 131818960]

約数ペア:

[(1, 131818960), (2, 65909480), (4, 32954740), (5, 26363792), (7, 18831280), (8, 16477370), (10, 13181896), (13, 10139920), (14, 9415640), (16, 8238685), (19, 6937840), (20, 6590948), (26, 5069960), (28, 4707820), (35, 3766256), (38, 3468920), (40, 3295474), (52, 2534980), (56, 2353910), (65, 2027984), (70, 1883128), (76, 1734460), (80, 1647737), (91, 1448560), (95, 1387568), (104, 1267490), (112, 1176955), (130, 1013992), (133, 991120), (140, 941564), (152, 867230), (182, 724280), (190, 693784), (208, 633745), (247, 533680), (260, 506996), (266, 495560), (280, 470782), (304, 433615), (364, 362140), (380, 346892), (455, 289712), (494, 266840), (520, 253498), (532, 247780), (560, 235391), (665, 198224), (728, 181070), (760, 173446), (910, 144856), (953, 138320), (988, 133420), (1040, 126749), (1064, 123890), (1235, 106736), (1330, 99112), (1456, 90535), (1520, 86723), (1729, 76240), (1820, 72428), (1906, 69160), (1976, 66710), (2128, 61945), (2470, 53368), (2660, 49556), (3458, 38120), (3640, 36214), (3812, 34580), (3952, 33355), (4765, 27664), (4940, 26684), (5320, 24778), (6671, 19760), (6916, 19060), (7280, 18107), (7624, 17290), (8645, 15248), (9530, 13832), (9880, 13342), (10640, 12389)]