84981680

素因数分解:

$2^4\times 5^1\times 7^3\times {\mathrm{19}}^1\times {\mathrm{163}}^1$

素因数の和:216

約数の個数: 160

約数和(自身を含む): 244032000

約数和(自身を除く): 159050320

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 19, 20, 28, 35, 38, 40, 49, 56, 70, 76, 80, 95, 98, 112, 133, 140, 152, 163, 190, 196, 245, 266, 280, 304, 326, 343, 380, 392, 490, 532, 560, 652, 665, 686, 760, 784, 815, 931, 980, 1064, 1141, 1304, 1330, 1372, 1520, 1630, 1715, 1862, 1960, 2128, 2282, 2608, 2660, 2744, 3097, 3260, 3430, 3724, 3920, 4564, 4655, 5320, 5488, 5705, 6194, 6517, 6520, 6860, 7448, 7987, 9128, 9310, 10640, 11410, 12388, 13034, 13040, 13720, 14896, 15485, 15974, 18256, 18620, 21679, 22820, 24776, 26068, 27440, 30970, 31948, 32585, 37240, 39935, 43358, 45640, 49552, 52136, 55909, 61940, 63896, 65170, 74480, 79870, 86716, 91280, 104272, 108395, 111818, 123880, 127792, 130340, 151753, 159740, 173432, 216790, 223636, 247760, 260680, 279545, 303506, 319480, 346864, 433580, 447272, 521360, 559090, 607012, 638960, 758765, 867160, 894544, 1062271, 1118180, 1214024, 1517530, 1734320, 2124542, 2236360, 2428048, 3035060, 4249084, 4472720, 5311355, 6070120, 8498168, 10622710, 12140240, 16996336, 21245420, 42490840, 84981680]

約数ペア:

[(1, 84981680), (2, 42490840), (4, 21245420), (5, 16996336), (7, 12140240), (8, 10622710), (10, 8498168), (14, 6070120), (16, 5311355), (19, 4472720), (20, 4249084), (28, 3035060), (35, 2428048), (38, 2236360), (40, 2124542), (49, 1734320), (56, 1517530), (70, 1214024), (76, 1118180), (80, 1062271), (95, 894544), (98, 867160), (112, 758765), (133, 638960), (140, 607012), (152, 559090), (163, 521360), (190, 447272), (196, 433580), (245, 346864), (266, 319480), (280, 303506), (304, 279545), (326, 260680), (343, 247760), (380, 223636), (392, 216790), (490, 173432), (532, 159740), (560, 151753), (652, 130340), (665, 127792), (686, 123880), (760, 111818), (784, 108395), (815, 104272), (931, 91280), (980, 86716), (1064, 79870), (1141, 74480), (1304, 65170), (1330, 63896), (1372, 61940), (1520, 55909), (1630, 52136), (1715, 49552), (1862, 45640), (1960, 43358), (2128, 39935), (2282, 37240), (2608, 32585), (2660, 31948), (2744, 30970), (3097, 27440), (3260, 26068), (3430, 24776), (3724, 22820), (3920, 21679), (4564, 18620), (4655, 18256), (5320, 15974), (5488, 15485), (5705, 14896), (6194, 13720), (6517, 13040), (6520, 13034), (6860, 12388), (7448, 11410), (7987, 10640), (9128, 9310)]