7905870

素因数分解:

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

素因数の和:159

約数の個数: 128

約数和(自身を含む): 24883200

約数和(自身を除く): 16977330

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 27, 30, 35, 42, 45, 47, 54, 63, 70, 89, 90, 94, 105, 126, 135, 141, 178, 189, 210, 235, 267, 270, 282, 315, 329, 378, 423, 445, 470, 534, 623, 630, 658, 705, 801, 846, 890, 945, 987, 1246, 1269, 1335, 1410, 1602, 1645, 1869, 1890, 1974, 2115, 2403, 2538, 2670, 2961, 3115, 3290, 3738, 4005, 4183, 4230, 4806, 4935, 5607, 5922, 6230, 6345, 8010, 8366, 8883, 9345, 9870, 11214, 12015, 12549, 12690, 14805, 16821, 17766, 18690, 20915, 24030, 25098, 28035, 29281, 29610, 33642, 37647, 41830, 44415, 56070, 58562, 62745, 75294, 84105, 87843, 88830, 112941, 125490, 146405, 168210, 175686, 188235, 225882, 263529, 292810, 376470, 439215, 527058, 564705, 790587, 878430, 1129410, 1317645, 1581174, 2635290, 3952935, 7905870]

約数ペア:

[(1, 7905870), (2, 3952935), (3, 2635290), (5, 1581174), (6, 1317645), (7, 1129410), (9, 878430), (10, 790587), (14, 564705), (15, 527058), (18, 439215), (21, 376470), (27, 292810), (30, 263529), (35, 225882), (42, 188235), (45, 175686), (47, 168210), (54, 146405), (63, 125490), (70, 112941), (89, 88830), (90, 87843), (94, 84105), (105, 75294), (126, 62745), (135, 58562), (141, 56070), (178, 44415), (189, 41830), (210, 37647), (235, 33642), (267, 29610), (270, 29281), (282, 28035), (315, 25098), (329, 24030), (378, 20915), (423, 18690), (445, 17766), (470, 16821), (534, 14805), (623, 12690), (630, 12549), (658, 12015), (705, 11214), (801, 9870), (846, 9345), (890, 8883), (945, 8366), (987, 8010), (1246, 6345), (1269, 6230), (1335, 5922), (1410, 5607), (1602, 4935), (1645, 4806), (1869, 4230), (1890, 4183), (1974, 4005), (2115, 3738), (2403, 3290), (2538, 3115), (2670, 2961)]