15811740

素因数分解:

$2^2\times 3^3\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{89}}^1$

素因数の和:161

約数の個数: 192

約数和(自身を含む): 58060800

約数和(自身を除く): 42249060

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 27, 28, 30, 35, 36, 42, 45, 47, 54, 60, 63, 70, 84, 89, 90, 94, 105, 108, 126, 135, 140, 141, 178, 180, 188, 189, 210, 235, 252, 267, 270, 282, 315, 329, 356, 378, 420, 423, 445, 470, 534, 540, 564, 623, 630, 658, 705, 756, 801, 846, 890, 940, 945, 987, 1068, 1246, 1260, 1269, 1316, 1335, 1410, 1602, 1645, 1692, 1780, 1869, 1890, 1974, 2115, 2403, 2492, 2538, 2670, 2820, 2961, 3115, 3204, 3290, 3738, 3780, 3948, 4005, 4183, 4230, 4806, 4935, 5076, 5340, 5607, 5922, 6230, 6345, 6580, 7476, 8010, 8366, 8460, 8883, 9345, 9612, 9870, 11214, 11844, 12015, 12460, 12549, 12690, 14805, 16020, 16732, 16821, 17766, 18690, 19740, 20915, 22428, 24030, 25098, 25380, 28035, 29281, 29610, 33642, 35532, 37380, 37647, 41830, 44415, 48060, 50196, 56070, 58562, 59220, 62745, 67284, 75294, 83660, 84105, 87843, 88830, 112140, 112941, 117124, 125490, 146405, 150588, 168210, 175686, 177660, 188235, 225882, 250980, 263529, 292810, 336420, 351372, 376470, 439215, 451764, 527058, 564705, 585620, 752940, 790587, 878430, 1054116, 1129410, 1317645, 1581174, 1756860, 2258820, 2635290, 3162348, 3952935, 5270580, 7905870, 15811740]

約数ペア:

[(1, 15811740), (2, 7905870), (3, 5270580), (4, 3952935), (5, 3162348), (6, 2635290), (7, 2258820), (9, 1756860), (10, 1581174), (12, 1317645), (14, 1129410), (15, 1054116), (18, 878430), (20, 790587), (21, 752940), (27, 585620), (28, 564705), (30, 527058), (35, 451764), (36, 439215), (42, 376470), (45, 351372), (47, 336420), (54, 292810), (60, 263529), (63, 250980), (70, 225882), (84, 188235), (89, 177660), (90, 175686), (94, 168210), (105, 150588), (108, 146405), (126, 125490), (135, 117124), (140, 112941), (141, 112140), (178, 88830), (180, 87843), (188, 84105), (189, 83660), (210, 75294), (235, 67284), (252, 62745), (267, 59220), (270, 58562), (282, 56070), (315, 50196), (329, 48060), (356, 44415), (378, 41830), (420, 37647), (423, 37380), (445, 35532), (470, 33642), (534, 29610), (540, 29281), (564, 28035), (623, 25380), (630, 25098), (658, 24030), (705, 22428), (756, 20915), (801, 19740), (846, 18690), (890, 17766), (940, 16821), (945, 16732), (987, 16020), (1068, 14805), (1246, 12690), (1260, 12549), (1269, 12460), (1316, 12015), (1335, 11844), (1410, 11214), (1602, 9870), (1645, 9612), (1692, 9345), (1780, 8883), (1869, 8460), (1890, 8366), (1974, 8010), (2115, 7476), (2403, 6580), (2492, 6345), (2538, 6230), (2670, 5922), (2820, 5607), (2961, 5340), (3115, 5076), (3204, 4935), (3290, 4806), (3738, 4230), (3780, 4183), (3948, 4005)]