31750380

素因数分解:

$2^2\times 3^5\times 5^1\times {\mathrm{47}}^1\times {\mathrm{139}}^1$

素因数の和:210

約数の個数: 144

約数和(自身を含む): 102735360

約数和(自身を除く): 70984980

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 47, 54, 60, 81, 90, 94, 108, 135, 139, 141, 162, 180, 188, 235, 243, 270, 278, 282, 324, 405, 417, 423, 470, 486, 540, 556, 564, 695, 705, 810, 834, 846, 940, 972, 1215, 1251, 1269, 1390, 1410, 1620, 1668, 1692, 2085, 2115, 2430, 2502, 2538, 2780, 2820, 3753, 3807, 4170, 4230, 4860, 5004, 5076, 6255, 6345, 6533, 7506, 7614, 8340, 8460, 11259, 11421, 12510, 12690, 13066, 15012, 15228, 18765, 19035, 19599, 22518, 22842, 25020, 25380, 26132, 32665, 33777, 37530, 38070, 39198, 45036, 45684, 56295, 57105, 58797, 65330, 67554, 75060, 76140, 78396, 97995, 112590, 114210, 117594, 130660, 135108, 168885, 176391, 195990, 225180, 228420, 235188, 293985, 337770, 352782, 391980, 529173, 587970, 675540, 705564, 881955, 1058346, 1175940, 1587519, 1763910, 2116692, 2645865, 3175038, 3527820, 5291730, 6350076, 7937595, 10583460, 15875190, 31750380]

約数ペア:

[(1, 31750380), (2, 15875190), (3, 10583460), (4, 7937595), (5, 6350076), (6, 5291730), (9, 3527820), (10, 3175038), (12, 2645865), (15, 2116692), (18, 1763910), (20, 1587519), (27, 1175940), (30, 1058346), (36, 881955), (45, 705564), (47, 675540), (54, 587970), (60, 529173), (81, 391980), (90, 352782), (94, 337770), (108, 293985), (135, 235188), (139, 228420), (141, 225180), (162, 195990), (180, 176391), (188, 168885), (235, 135108), (243, 130660), (270, 117594), (278, 114210), (282, 112590), (324, 97995), (405, 78396), (417, 76140), (423, 75060), (470, 67554), (486, 65330), (540, 58797), (556, 57105), (564, 56295), (695, 45684), (705, 45036), (810, 39198), (834, 38070), (846, 37530), (940, 33777), (972, 32665), (1215, 26132), (1251, 25380), (1269, 25020), (1390, 22842), (1410, 22518), (1620, 19599), (1668, 19035), (1692, 18765), (2085, 15228), (2115, 15012), (2430, 13066), (2502, 12690), (2538, 12510), (2780, 11421), (2820, 11259), (3753, 8460), (3807, 8340), (4170, 7614), (4230, 7506), (4860, 6533), (5004, 6345), (5076, 6255)]