180421920

素因数分解:

$2^5\times 3^2\times 5^1\times 7^2\times {\mathrm{2557}}^1$

素因数の和:2592

約数の個数: 216

約数和(自身を含む): 716490684

約数和(自身を除く): 536068764

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 32, 35, 36, 40, 42, 45, 48, 49, 56, 60, 63, 70, 72, 80, 84, 90, 96, 98, 105, 112, 120, 126, 140, 144, 147, 160, 168, 180, 196, 210, 224, 240, 245, 252, 280, 288, 294, 315, 336, 360, 392, 420, 441, 480, 490, 504, 560, 588, 630, 672, 720, 735, 784, 840, 882, 980, 1008, 1120, 1176, 1260, 1440, 1470, 1568, 1680, 1764, 1960, 2016, 2205, 2352, 2520, 2557, 2940, 3360, 3528, 3920, 4410, 4704, 5040, 5114, 5880, 7056, 7671, 7840, 8820, 10080, 10228, 11760, 12785, 14112, 15342, 17640, 17899, 20456, 23013, 23520, 25570, 30684, 35280, 35798, 38355, 40912, 46026, 51140, 53697, 61368, 70560, 71596, 76710, 81824, 89495, 92052, 102280, 107394, 115065, 122736, 125293, 143192, 153420, 161091, 178990, 184104, 204560, 214788, 230130, 245472, 250586, 268485, 286384, 306840, 322182, 357980, 368208, 375879, 409120, 429576, 460260, 501172, 536970, 572768, 613680, 626465, 644364, 715960, 736416, 751758, 805455, 859152, 920520, 1002344, 1073940, 1127637, 1227360, 1252930, 1288728, 1431920, 1503516, 1610910, 1718304, 1841040, 1879395, 2004688, 2147880, 2255274, 2505860, 2577456, 2863840, 3007032, 3221820, 3682080, 3758790, 4009376, 4295760, 4510548, 5011720, 5154912, 5638185, 6014064, 6443640, 7517580, 8591520, 9021096, 10023440, 11276370, 12028128, 12887280, 15035160, 18042192, 20046880, 22552740, 25774560, 30070320, 36084384, 45105480, 60140640, 90210960, 180421920]

約数ペア:

[(1, 180421920), (2, 90210960), (3, 60140640), (4, 45105480), (5, 36084384), (6, 30070320), (7, 25774560), (8, 22552740), (9, 20046880), (10, 18042192), (12, 15035160), (14, 12887280), (15, 12028128), (16, 11276370), (18, 10023440), (20, 9021096), (21, 8591520), (24, 7517580), (28, 6443640), (30, 6014064), (32, 5638185), (35, 5154912), (36, 5011720), (40, 4510548), (42, 4295760), (45, 4009376), (48, 3758790), (49, 3682080), (56, 3221820), (60, 3007032), (63, 2863840), (70, 2577456), (72, 2505860), (80, 2255274), (84, 2147880), (90, 2004688), (96, 1879395), (98, 1841040), (105, 1718304), (112, 1610910), (120, 1503516), (126, 1431920), (140, 1288728), (144, 1252930), (147, 1227360), (160, 1127637), (168, 1073940), (180, 1002344), (196, 920520), (210, 859152), (224, 805455), (240, 751758), (245, 736416), (252, 715960), (280, 644364), (288, 626465), (294, 613680), (315, 572768), (336, 536970), (360, 501172), (392, 460260), (420, 429576), (441, 409120), (480, 375879), (490, 368208), (504, 357980), (560, 322182), (588, 306840), (630, 286384), (672, 268485), (720, 250586), (735, 245472), (784, 230130), (840, 214788), (882, 204560), (980, 184104), (1008, 178990), (1120, 161091), (1176, 153420), (1260, 143192), (1440, 125293), (1470, 122736), (1568, 115065), (1680, 107394), (1764, 102280), (1960, 92052), (2016, 89495), (2205, 81824), (2352, 76710), (2520, 71596), (2557, 70560), (2940, 61368), (3360, 53697), (3528, 51140), (3920, 46026), (4410, 40912), (4704, 38355), (5040, 35798), (5114, 35280), (5880, 30684), (7056, 25570), (7671, 23520), (7840, 23013), (8820, 20456), (10080, 17899), (10228, 17640), (11760, 15342), (12785, 14112)]