145503980

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{83}}^1\times {\mathrm{103}}^1$

素因数の和:255

約数の個数: 96

約数和(自身を含む): 334623744

約数和(自身を除く): 189119764

約数列:

[1, 2, 4, 5, 10, 20, 23, 37, 46, 74, 83, 92, 103, 115, 148, 166, 185, 206, 230, 332, 370, 412, 415, 460, 515, 740, 830, 851, 1030, 1660, 1702, 1909, 2060, 2369, 3071, 3404, 3811, 3818, 4255, 4738, 6142, 7622, 7636, 8510, 8549, 9476, 9545, 11845, 12284, 15244, 15355, 17020, 17098, 19055, 19090, 23690, 30710, 34196, 38110, 38180, 42745, 47380, 61420, 70633, 76220, 85490, 87653, 141266, 170980, 175306, 196627, 282532, 316313, 350612, 353165, 393254, 438265, 632626, 706330, 786508, 876530, 983135, 1265252, 1412660, 1581565, 1753060, 1966270, 3163130, 3932540, 6326260, 7275199, 14550398, 29100796, 36375995, 72751990, 145503980]

約数ペア:

[(1, 145503980), (2, 72751990), (4, 36375995), (5, 29100796), (10, 14550398), (20, 7275199), (23, 6326260), (37, 3932540), (46, 3163130), (74, 1966270), (83, 1753060), (92, 1581565), (103, 1412660), (115, 1265252), (148, 983135), (166, 876530), (185, 786508), (206, 706330), (230, 632626), (332, 438265), (370, 393254), (412, 353165), (415, 350612), (460, 316313), (515, 282532), (740, 196627), (830, 175306), (851, 170980), (1030, 141266), (1660, 87653), (1702, 85490), (1909, 76220), (2060, 70633), (2369, 61420), (3071, 47380), (3404, 42745), (3811, 38180), (3818, 38110), (4255, 34196), (4738, 30710), (6142, 23690), (7622, 19090), (7636, 19055), (8510, 17098), (8549, 17020), (9476, 15355), (9545, 15244), (11845, 12284)]