401391720

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{631}}^1$

素因数の和:701

約数の個数: 256

約数和(自身を含む): 1456128000

約数和(自身を除く): 1054736280

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 19, 20, 24, 27, 30, 31, 36, 38, 40, 45, 54, 57, 60, 62, 72, 76, 90, 93, 95, 108, 114, 120, 124, 135, 152, 155, 171, 180, 186, 190, 216, 228, 248, 270, 279, 285, 310, 342, 360, 372, 380, 456, 465, 513, 540, 558, 570, 589, 620, 631, 684, 744, 760, 837, 855, 930, 1026, 1080, 1116, 1140, 1178, 1240, 1262, 1368, 1395, 1674, 1710, 1767, 1860, 1893, 2052, 2232, 2280, 2356, 2524, 2565, 2790, 2945, 3155, 3348, 3420, 3534, 3720, 3786, 4104, 4185, 4712, 5048, 5130, 5301, 5580, 5679, 5890, 6310, 6696, 6840, 7068, 7572, 8370, 8835, 9465, 10260, 10602, 11160, 11358, 11780, 11989, 12620, 14136, 15144, 15903, 16740, 17037, 17670, 18930, 19561, 20520, 21204, 22716, 23560, 23978, 25240, 26505, 28395, 31806, 33480, 34074, 35340, 35967, 37860, 39122, 42408, 45432, 47956, 53010, 56790, 58683, 59945, 63612, 68148, 70680, 71934, 75720, 78244, 79515, 85185, 95912, 97805, 106020, 107901, 113580, 117366, 119890, 127224, 136296, 143868, 156488, 159030, 170370, 176049, 179835, 195610, 212040, 215802, 227160, 234732, 239780, 287736, 293415, 318060, 323703, 340740, 352098, 359670, 371659, 391220, 431604, 469464, 479560, 528147, 539505, 586830, 636120, 647406, 681480, 704196, 719340, 743318, 782440, 863208, 880245, 1056294, 1079010, 1114977, 1173660, 1294812, 1408392, 1438680, 1486636, 1618515, 1760490, 1858295, 2112588, 2158020, 2229954, 2347320, 2589624, 2640735, 2973272, 3237030, 3344931, 3520980, 3716590, 4225176, 4316040, 4459908, 5281470, 5574885, 6474060, 6689862, 7041960, 7433180, 8919816, 10034793, 10562940, 11149770, 12948120, 13379724, 14866360, 16724655, 20069586, 21125880, 22299540, 26759448, 33449310, 40139172, 44599080, 50173965, 66898620, 80278344, 100347930, 133797240, 200695860, 401391720]

約数ペア:

[(1, 401391720), (2, 200695860), (3, 133797240), (4, 100347930), (5, 80278344), (6, 66898620), (8, 50173965), (9, 44599080), (10, 40139172), (12, 33449310), (15, 26759448), (18, 22299540), (19, 21125880), (20, 20069586), (24, 16724655), (27, 14866360), (30, 13379724), (31, 12948120), (36, 11149770), (38, 10562940), (40, 10034793), (45, 8919816), (54, 7433180), (57, 7041960), (60, 6689862), (62, 6474060), (72, 5574885), (76, 5281470), (90, 4459908), (93, 4316040), (95, 4225176), (108, 3716590), (114, 3520980), (120, 3344931), (124, 3237030), (135, 2973272), (152, 2640735), (155, 2589624), (171, 2347320), (180, 2229954), (186, 2158020), (190, 2112588), (216, 1858295), (228, 1760490), (248, 1618515), (270, 1486636), (279, 1438680), (285, 1408392), (310, 1294812), (342, 1173660), (360, 1114977), (372, 1079010), (380, 1056294), (456, 880245), (465, 863208), (513, 782440), (540, 743318), (558, 719340), (570, 704196), (589, 681480), (620, 647406), (631, 636120), (684, 586830), (744, 539505), (760, 528147), (837, 479560), (855, 469464), (930, 431604), (1026, 391220), (1080, 371659), (1116, 359670), (1140, 352098), (1178, 340740), (1240, 323703), (1262, 318060), (1368, 293415), (1395, 287736), (1674, 239780), (1710, 234732), (1767, 227160), (1860, 215802), (1893, 212040), (2052, 195610), (2232, 179835), (2280, 176049), (2356, 170370), (2524, 159030), (2565, 156488), (2790, 143868), (2945, 136296), (3155, 127224), (3348, 119890), (3420, 117366), (3534, 113580), (3720, 107901), (3786, 106020), (4104, 97805), (4185, 95912), (4712, 85185), (5048, 79515), (5130, 78244), (5301, 75720), (5580, 71934), (5679, 70680), (5890, 68148), (6310, 63612), (6696, 59945), (6840, 58683), (7068, 56790), (7572, 53010), (8370, 47956), (8835, 45432), (9465, 42408), (10260, 39122), (10602, 37860), (11160, 35967), (11358, 35340), (11780, 34074), (11989, 33480), (12620, 31806), (14136, 28395), (15144, 26505), (15903, 25240), (16740, 23978), (17037, 23560), (17670, 22716), (18930, 21204), (19561, 20520)]