40037940

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{509}}^1$

素因数の和:566

約数の個数: 144

約数和(自身を含む): 133660800

約数和(自身を除く): 93622860

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 23, 30, 36, 38, 45, 46, 57, 60, 69, 76, 90, 92, 95, 114, 115, 138, 171, 180, 190, 207, 228, 230, 276, 285, 342, 345, 380, 414, 437, 460, 509, 570, 684, 690, 828, 855, 874, 1018, 1035, 1140, 1311, 1380, 1527, 1710, 1748, 2036, 2070, 2185, 2545, 2622, 3054, 3420, 3933, 4140, 4370, 4581, 5090, 5244, 6108, 6555, 7635, 7866, 8740, 9162, 9671, 10180, 11707, 13110, 15270, 15732, 18324, 19342, 19665, 22905, 23414, 26220, 29013, 30540, 35121, 38684, 39330, 45810, 46828, 48355, 58026, 58535, 70242, 78660, 87039, 91620, 96710, 105363, 116052, 117070, 140484, 145065, 174078, 175605, 193420, 210726, 222433, 234140, 290130, 348156, 351210, 421452, 435195, 444866, 526815, 580260, 667299, 702420, 870390, 889732, 1053630, 1112165, 1334598, 1740780, 2001897, 2107260, 2224330, 2669196, 3336495, 4003794, 4448660, 6672990, 8007588, 10009485, 13345980, 20018970, 40037940]

約数ペア:

[(1, 40037940), (2, 20018970), (3, 13345980), (4, 10009485), (5, 8007588), (6, 6672990), (9, 4448660), (10, 4003794), (12, 3336495), (15, 2669196), (18, 2224330), (19, 2107260), (20, 2001897), (23, 1740780), (30, 1334598), (36, 1112165), (38, 1053630), (45, 889732), (46, 870390), (57, 702420), (60, 667299), (69, 580260), (76, 526815), (90, 444866), (92, 435195), (95, 421452), (114, 351210), (115, 348156), (138, 290130), (171, 234140), (180, 222433), (190, 210726), (207, 193420), (228, 175605), (230, 174078), (276, 145065), (285, 140484), (342, 117070), (345, 116052), (380, 105363), (414, 96710), (437, 91620), (460, 87039), (509, 78660), (570, 70242), (684, 58535), (690, 58026), (828, 48355), (855, 46828), (874, 45810), (1018, 39330), (1035, 38684), (1140, 35121), (1311, 30540), (1380, 29013), (1527, 26220), (1710, 23414), (1748, 22905), (2036, 19665), (2070, 19342), (2185, 18324), (2545, 15732), (2622, 15270), (3054, 13110), (3420, 11707), (3933, 10180), (4140, 9671), (4370, 9162), (4581, 8740), (5090, 7866), (5244, 7635), (6108, 6555)]