81202320

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{3889}}^1$

素因数の和:3937

約数の個数: 120

約数和(自身を含む): 282180600

約数和(自身を除く): 200978280

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 29, 30, 36, 40, 45, 48, 58, 60, 72, 80, 87, 90, 116, 120, 144, 145, 174, 180, 232, 240, 261, 290, 348, 360, 435, 464, 522, 580, 696, 720, 870, 1044, 1160, 1305, 1392, 1740, 2088, 2320, 2610, 3480, 3889, 4176, 5220, 6960, 7778, 10440, 11667, 15556, 19445, 20880, 23334, 31112, 35001, 38890, 46668, 58335, 62224, 70002, 77780, 93336, 112781, 116670, 140004, 155560, 175005, 186672, 225562, 233340, 280008, 311120, 338343, 350010, 451124, 466680, 560016, 563905, 676686, 700020, 902248, 933360, 1015029, 1127810, 1353372, 1400040, 1691715, 1804496, 2030058, 2255620, 2706744, 2800080, 3383430, 4060116, 4511240, 5075145, 5413488, 6766860, 8120232, 9022480, 10150290, 13533720, 16240464, 20300580, 27067440, 40601160, 81202320]

約数ペア:

[(1, 81202320), (2, 40601160), (3, 27067440), (4, 20300580), (5, 16240464), (6, 13533720), (8, 10150290), (9, 9022480), (10, 8120232), (12, 6766860), (15, 5413488), (16, 5075145), (18, 4511240), (20, 4060116), (24, 3383430), (29, 2800080), (30, 2706744), (36, 2255620), (40, 2030058), (45, 1804496), (48, 1691715), (58, 1400040), (60, 1353372), (72, 1127810), (80, 1015029), (87, 933360), (90, 902248), (116, 700020), (120, 676686), (144, 563905), (145, 560016), (174, 466680), (180, 451124), (232, 350010), (240, 338343), (261, 311120), (290, 280008), (348, 233340), (360, 225562), (435, 186672), (464, 175005), (522, 155560), (580, 140004), (696, 116670), (720, 112781), (870, 93336), (1044, 77780), (1160, 70002), (1305, 62224), (1392, 58335), (1740, 46668), (2088, 38890), (2320, 35001), (2610, 31112), (3480, 23334), (3889, 20880), (4176, 19445), (5220, 15556), (6960, 11667), (7778, 10440)]