220761720

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{2879}}^1$

素因数の和:2970

約数の個数: 128

約数和(自身を含む): 746496000

約数和(自身を除く): 525734280

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 71, 72, 90, 108, 120, 135, 142, 180, 213, 216, 270, 284, 355, 360, 426, 540, 568, 639, 710, 852, 1065, 1080, 1278, 1420, 1704, 1917, 2130, 2556, 2840, 2879, 3195, 3834, 4260, 5112, 5758, 6390, 7668, 8520, 8637, 9585, 11516, 12780, 14395, 15336, 17274, 19170, 23032, 25560, 25911, 28790, 34548, 38340, 43185, 51822, 57580, 69096, 76680, 77733, 86370, 103644, 115160, 129555, 155466, 172740, 204409, 207288, 259110, 310932, 345480, 388665, 408818, 518220, 613227, 621864, 777330, 817636, 1022045, 1036440, 1226454, 1554660, 1635272, 1839681, 2044090, 2452908, 3066135, 3109320, 3679362, 4088180, 4905816, 5519043, 6132270, 7358724, 8176360, 9198405, 11038086, 12264540, 14717448, 18396810, 22076172, 24529080, 27595215, 36793620, 44152344, 55190430, 73587240, 110380860, 220761720]

約数ペア:

[(1, 220761720), (2, 110380860), (3, 73587240), (4, 55190430), (5, 44152344), (6, 36793620), (8, 27595215), (9, 24529080), (10, 22076172), (12, 18396810), (15, 14717448), (18, 12264540), (20, 11038086), (24, 9198405), (27, 8176360), (30, 7358724), (36, 6132270), (40, 5519043), (45, 4905816), (54, 4088180), (60, 3679362), (71, 3109320), (72, 3066135), (90, 2452908), (108, 2044090), (120, 1839681), (135, 1635272), (142, 1554660), (180, 1226454), (213, 1036440), (216, 1022045), (270, 817636), (284, 777330), (355, 621864), (360, 613227), (426, 518220), (540, 408818), (568, 388665), (639, 345480), (710, 310932), (852, 259110), (1065, 207288), (1080, 204409), (1278, 172740), (1420, 155466), (1704, 129555), (1917, 115160), (2130, 103644), (2556, 86370), (2840, 77733), (2879, 76680), (3195, 69096), (3834, 57580), (4260, 51822), (5112, 43185), (5758, 38340), (6390, 34548), (7668, 28790), (8520, 25911), (8637, 25560), (9585, 23032), (11516, 19170), (12780, 17274), (14395, 15336)]