71889930

素因数分解:

$2^1\times 3^4\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{409}}^1$

素因数の和:466

約数の個数: 160

約数和(自身を含む): 228602880

約数和(自身を除く): 156712950

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 27, 30, 31, 35, 42, 45, 54, 62, 63, 70, 81, 90, 93, 105, 126, 135, 155, 162, 186, 189, 210, 217, 270, 279, 310, 315, 378, 405, 409, 434, 465, 558, 567, 630, 651, 810, 818, 837, 930, 945, 1085, 1134, 1227, 1302, 1395, 1674, 1890, 1953, 2045, 2170, 2454, 2511, 2790, 2835, 2863, 3255, 3681, 3906, 4090, 4185, 5022, 5670, 5726, 5859, 6135, 6510, 7362, 8370, 8589, 9765, 11043, 11718, 12270, 12555, 12679, 14315, 17178, 17577, 18405, 19530, 22086, 25110, 25358, 25767, 28630, 29295, 33129, 35154, 36810, 38037, 42945, 51534, 55215, 58590, 63395, 66258, 76074, 77301, 85890, 87885, 88753, 110430, 114111, 126790, 128835, 154602, 165645, 175770, 177506, 190185, 228222, 231903, 257670, 266259, 331290, 342333, 380370, 386505, 443765, 463806, 532518, 570555, 684666, 773010, 798777, 887530, 1026999, 1141110, 1159515, 1331295, 1597554, 1711665, 2053998, 2319030, 2396331, 2662590, 3423330, 3993885, 4792662, 5134995, 7188993, 7987770, 10269990, 11981655, 14377986, 23963310, 35944965, 71889930]

約数ペア:

[(1, 71889930), (2, 35944965), (3, 23963310), (5, 14377986), (6, 11981655), (7, 10269990), (9, 7987770), (10, 7188993), (14, 5134995), (15, 4792662), (18, 3993885), (21, 3423330), (27, 2662590), (30, 2396331), (31, 2319030), (35, 2053998), (42, 1711665), (45, 1597554), (54, 1331295), (62, 1159515), (63, 1141110), (70, 1026999), (81, 887530), (90, 798777), (93, 773010), (105, 684666), (126, 570555), (135, 532518), (155, 463806), (162, 443765), (186, 386505), (189, 380370), (210, 342333), (217, 331290), (270, 266259), (279, 257670), (310, 231903), (315, 228222), (378, 190185), (405, 177506), (409, 175770), (434, 165645), (465, 154602), (558, 128835), (567, 126790), (630, 114111), (651, 110430), (810, 88753), (818, 87885), (837, 85890), (930, 77301), (945, 76074), (1085, 66258), (1134, 63395), (1227, 58590), (1302, 55215), (1395, 51534), (1674, 42945), (1890, 38037), (1953, 36810), (2045, 35154), (2170, 33129), (2454, 29295), (2511, 28630), (2790, 25767), (2835, 25358), (2863, 25110), (3255, 22086), (3681, 19530), (3906, 18405), (4090, 17577), (4185, 17178), (5022, 14315), (5670, 12679), (5726, 12555), (5859, 12270), (6135, 11718), (6510, 11043), (7362, 9765), (8370, 8589)]