438138480

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^2\times {\mathrm{389}}^1$

素因数の和:456

約数の個数: 240

約数和(自身を含む): 1547713440

約数和(自身を除く): 1109574960

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 19, 20, 24, 26, 30, 38, 39, 40, 48, 52, 57, 60, 65, 76, 78, 80, 95, 104, 114, 120, 130, 152, 156, 190, 195, 208, 228, 240, 247, 260, 285, 304, 312, 361, 380, 389, 390, 456, 494, 520, 570, 624, 722, 741, 760, 778, 780, 912, 988, 1040, 1083, 1140, 1167, 1235, 1444, 1482, 1520, 1556, 1560, 1805, 1945, 1976, 2166, 2280, 2334, 2470, 2888, 2964, 3112, 3120, 3610, 3705, 3890, 3952, 4332, 4560, 4668, 4693, 4940, 5057, 5415, 5776, 5835, 5928, 6224, 7220, 7391, 7410, 7780, 8664, 9336, 9386, 9880, 10114, 10830, 11670, 11856, 14079, 14440, 14782, 14820, 15171, 15560, 17328, 18672, 18772, 19760, 20228, 21660, 22173, 23340, 23465, 25285, 28158, 28880, 29564, 29640, 30342, 31120, 36955, 37544, 40456, 43320, 44346, 46680, 46930, 50570, 56316, 59128, 59280, 60684, 70395, 73910, 75088, 75855, 80912, 86640, 88692, 93360, 93860, 96083, 101140, 110865, 112632, 118256, 121368, 140429, 140790, 147820, 151710, 177384, 187720, 192166, 202280, 221730, 225264, 242736, 280858, 281580, 288249, 295640, 303420, 354768, 375440, 384332, 404560, 421287, 443460, 480415, 561716, 563160, 576498, 591280, 606840, 702145, 768664, 842574, 886920, 960830, 1123432, 1126320, 1152996, 1213680, 1404290, 1441245, 1537328, 1685148, 1773840, 1825577, 1921660, 2106435, 2246864, 2305992, 2808580, 2882490, 3370296, 3651154, 3843320, 4212870, 4611984, 5476731, 5617160, 5764980, 6740592, 7302308, 7686640, 8425740, 9127885, 10953462, 11234320, 11529960, 14604616, 16851480, 18255770, 21906924, 23059920, 27383655, 29209232, 33702960, 36511540, 43813848, 54767310, 73023080, 87627696, 109534620, 146046160, 219069240, 438138480]

約数ペア:

[(1, 438138480), (2, 219069240), (3, 146046160), (4, 109534620), (5, 87627696), (6, 73023080), (8, 54767310), (10, 43813848), (12, 36511540), (13, 33702960), (15, 29209232), (16, 27383655), (19, 23059920), (20, 21906924), (24, 18255770), (26, 16851480), (30, 14604616), (38, 11529960), (39, 11234320), (40, 10953462), (48, 9127885), (52, 8425740), (57, 7686640), (60, 7302308), (65, 6740592), (76, 5764980), (78, 5617160), (80, 5476731), (95, 4611984), (104, 4212870), (114, 3843320), (120, 3651154), (130, 3370296), (152, 2882490), (156, 2808580), (190, 2305992), (195, 2246864), (208, 2106435), (228, 1921660), (240, 1825577), (247, 1773840), (260, 1685148), (285, 1537328), (304, 1441245), (312, 1404290), (361, 1213680), (380, 1152996), (389, 1126320), (390, 1123432), (456, 960830), (494, 886920), (520, 842574), (570, 768664), (624, 702145), (722, 606840), (741, 591280), (760, 576498), (778, 563160), (780, 561716), (912, 480415), (988, 443460), (1040, 421287), (1083, 404560), (1140, 384332), (1167, 375440), (1235, 354768), (1444, 303420), (1482, 295640), (1520, 288249), (1556, 281580), (1560, 280858), (1805, 242736), (1945, 225264), (1976, 221730), (2166, 202280), (2280, 192166), (2334, 187720), (2470, 177384), (2888, 151710), (2964, 147820), (3112, 140790), (3120, 140429), (3610, 121368), (3705, 118256), (3890, 112632), (3952, 110865), (4332, 101140), (4560, 96083), (4668, 93860), (4693, 93360), (4940, 88692), (5057, 86640), (5415, 80912), (5776, 75855), (5835, 75088), (5928, 73910), (6224, 70395), (7220, 60684), (7391, 59280), (7410, 59128), (7780, 56316), (8664, 50570), (9336, 46930), (9386, 46680), (9880, 44346), (10114, 43320), (10830, 40456), (11670, 37544), (11856, 36955), (14079, 31120), (14440, 30342), (14782, 29640), (14820, 29564), (15171, 28880), (15560, 28158), (17328, 25285), (18672, 23465), (18772, 23340), (19760, 22173), (20228, 21660)]