77477820

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{19}}^2\times {\mathrm{73}}^1$

素因数の和:137

約数の個数: 216

約数和(自身を含む): 269985744

約数和(自身を除く): 192507924

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 19, 20, 21, 28, 30, 35, 38, 42, 49, 57, 60, 70, 73, 76, 84, 95, 98, 105, 114, 133, 140, 146, 147, 190, 196, 210, 219, 228, 245, 266, 285, 292, 294, 361, 365, 380, 399, 420, 438, 490, 511, 532, 570, 588, 665, 722, 730, 735, 798, 876, 931, 980, 1022, 1083, 1095, 1140, 1330, 1387, 1444, 1460, 1470, 1533, 1596, 1805, 1862, 1995, 2044, 2166, 2190, 2527, 2555, 2660, 2774, 2793, 2940, 3066, 3577, 3610, 3724, 3990, 4161, 4332, 4380, 4655, 5054, 5110, 5415, 5548, 5586, 6132, 6935, 7154, 7220, 7581, 7665, 7980, 8322, 9310, 9709, 10108, 10220, 10731, 10830, 11172, 12635, 13870, 13965, 14308, 15162, 15330, 16644, 17689, 17885, 18620, 19418, 20805, 21462, 21660, 25270, 26353, 27740, 27930, 29127, 30324, 30660, 35378, 35770, 37905, 38836, 41610, 42924, 48545, 50540, 52706, 53067, 53655, 55860, 58254, 67963, 70756, 71540, 75810, 79059, 83220, 88445, 97090, 105412, 106134, 107310, 116508, 131765, 135926, 145635, 151620, 158118, 176890, 184471, 194180, 203889, 212268, 214620, 263530, 265335, 271852, 291270, 316236, 339815, 353780, 368942, 395295, 407778, 527060, 530670, 553413, 582540, 679630, 737884, 790590, 815556, 922355, 1019445, 1061340, 1106826, 1291297, 1359260, 1581180, 1844710, 2038890, 2213652, 2582594, 2767065, 3689420, 3873891, 4077780, 5165188, 5534130, 6456485, 7747782, 11068260, 12912970, 15495564, 19369455, 25825940, 38738910, 77477820]

約数ペア:

[(1, 77477820), (2, 38738910), (3, 25825940), (4, 19369455), (5, 15495564), (6, 12912970), (7, 11068260), (10, 7747782), (12, 6456485), (14, 5534130), (15, 5165188), (19, 4077780), (20, 3873891), (21, 3689420), (28, 2767065), (30, 2582594), (35, 2213652), (38, 2038890), (42, 1844710), (49, 1581180), (57, 1359260), (60, 1291297), (70, 1106826), (73, 1061340), (76, 1019445), (84, 922355), (95, 815556), (98, 790590), (105, 737884), (114, 679630), (133, 582540), (140, 553413), (146, 530670), (147, 527060), (190, 407778), (196, 395295), (210, 368942), (219, 353780), (228, 339815), (245, 316236), (266, 291270), (285, 271852), (292, 265335), (294, 263530), (361, 214620), (365, 212268), (380, 203889), (399, 194180), (420, 184471), (438, 176890), (490, 158118), (511, 151620), (532, 145635), (570, 135926), (588, 131765), (665, 116508), (722, 107310), (730, 106134), (735, 105412), (798, 97090), (876, 88445), (931, 83220), (980, 79059), (1022, 75810), (1083, 71540), (1095, 70756), (1140, 67963), (1330, 58254), (1387, 55860), (1444, 53655), (1460, 53067), (1470, 52706), (1533, 50540), (1596, 48545), (1805, 42924), (1862, 41610), (1995, 38836), (2044, 37905), (2166, 35770), (2190, 35378), (2527, 30660), (2555, 30324), (2660, 29127), (2774, 27930), (2793, 27740), (2940, 26353), (3066, 25270), (3577, 21660), (3610, 21462), (3724, 20805), (3990, 19418), (4161, 18620), (4332, 17885), (4380, 17689), (4655, 16644), (5054, 15330), (5110, 15162), (5415, 14308), (5548, 13965), (5586, 13870), (6132, 12635), (6935, 11172), (7154, 10830), (7220, 10731), (7581, 10220), (7665, 10108), (7980, 9709), (8322, 9310)]