131629720

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{151}}^1$

素因数の和:249

約数の個数: 128

約数和(自身を含む): 332697600

約数和(自身を除く): 201067880

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 31, 37, 38, 40, 62, 74, 76, 95, 124, 148, 151, 152, 155, 185, 190, 248, 296, 302, 310, 370, 380, 589, 604, 620, 703, 740, 755, 760, 1147, 1178, 1208, 1240, 1406, 1480, 1510, 2294, 2356, 2812, 2869, 2945, 3020, 3515, 4588, 4681, 4712, 5587, 5624, 5735, 5738, 5890, 6040, 7030, 9176, 9362, 11174, 11470, 11476, 11780, 14060, 14345, 18724, 21793, 22348, 22940, 22952, 23405, 23560, 27935, 28120, 28690, 37448, 43586, 44696, 45880, 46810, 55870, 57380, 87172, 88939, 93620, 106153, 108965, 111740, 114760, 173197, 174344, 177878, 187240, 212306, 217930, 223480, 346394, 355756, 424612, 435860, 444695, 530765, 692788, 711512, 849224, 865985, 871720, 889390, 1061530, 1385576, 1731970, 1778780, 2123060, 3290743, 3463940, 3557560, 4246120, 6581486, 6927880, 13162972, 16453715, 26325944, 32907430, 65814860, 131629720]

約数ペア:

[(1, 131629720), (2, 65814860), (4, 32907430), (5, 26325944), (8, 16453715), (10, 13162972), (19, 6927880), (20, 6581486), (31, 4246120), (37, 3557560), (38, 3463940), (40, 3290743), (62, 2123060), (74, 1778780), (76, 1731970), (95, 1385576), (124, 1061530), (148, 889390), (151, 871720), (152, 865985), (155, 849224), (185, 711512), (190, 692788), (248, 530765), (296, 444695), (302, 435860), (310, 424612), (370, 355756), (380, 346394), (589, 223480), (604, 217930), (620, 212306), (703, 187240), (740, 177878), (755, 174344), (760, 173197), (1147, 114760), (1178, 111740), (1208, 108965), (1240, 106153), (1406, 93620), (1480, 88939), (1510, 87172), (2294, 57380), (2356, 55870), (2812, 46810), (2869, 45880), (2945, 44696), (3020, 43586), (3515, 37448), (4588, 28690), (4681, 28120), (4712, 27935), (5587, 23560), (5624, 23405), (5735, 22952), (5738, 22940), (5890, 22348), (6040, 21793), (7030, 18724), (9176, 14345), (9362, 14060), (11174, 11780), (11470, 11476)]