42404940

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{2647}}^1$

素因数の和:2751

約数の個数: 72

約数和(自身を含む): 130122720

約数和(自身を除く): 87717780

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 89, 90, 178, 180, 267, 356, 445, 534, 801, 890, 1068, 1335, 1602, 1780, 2647, 2670, 3204, 4005, 5294, 5340, 7941, 8010, 10588, 13235, 15882, 16020, 23823, 26470, 31764, 39705, 47646, 52940, 79410, 95292, 119115, 158820, 235583, 238230, 471166, 476460, 706749, 942332, 1177915, 1413498, 2120247, 2355830, 2826996, 3533745, 4240494, 4711660, 7067490, 8480988, 10601235, 14134980, 21202470, 42404940]

約数ペア:

[(1, 42404940), (2, 21202470), (3, 14134980), (4, 10601235), (5, 8480988), (6, 7067490), (9, 4711660), (10, 4240494), (12, 3533745), (15, 2826996), (18, 2355830), (20, 2120247), (30, 1413498), (36, 1177915), (45, 942332), (60, 706749), (89, 476460), (90, 471166), (178, 238230), (180, 235583), (267, 158820), (356, 119115), (445, 95292), (534, 79410), (801, 52940), (890, 47646), (1068, 39705), (1335, 31764), (1602, 26470), (1780, 23823), (2647, 16020), (2670, 15882), (3204, 13235), (4005, 10588), (5294, 8010), (5340, 7941)]