1687770

素因数分解:

$2^1\times 3^3\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1$

素因数の和:89

約数の個数: 128

約数和(自身を含む): 5529600

約数和(自身を除く): 3841830

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 19, 21, 27, 30, 35, 38, 42, 45, 47, 54, 57, 63, 70, 90, 94, 95, 105, 114, 126, 133, 135, 141, 171, 189, 190, 210, 235, 266, 270, 282, 285, 315, 329, 342, 378, 399, 423, 470, 513, 570, 630, 658, 665, 705, 798, 846, 855, 893, 945, 987, 1026, 1197, 1269, 1330, 1410, 1645, 1710, 1786, 1890, 1974, 1995, 2115, 2394, 2538, 2565, 2679, 2961, 3290, 3591, 3990, 4230, 4465, 4935, 5130, 5358, 5922, 5985, 6251, 6345, 7182, 8037, 8883, 8930, 9870, 11970, 12502, 12690, 13395, 14805, 16074, 17766, 17955, 18753, 24111, 26790, 29610, 31255, 35910, 37506, 40185, 44415, 48222, 56259, 62510, 80370, 88830, 93765, 112518, 120555, 168777, 187530, 241110, 281295, 337554, 562590, 843885, 1687770]

約数ペア:

[(1, 1687770), (2, 843885), (3, 562590), (5, 337554), (6, 281295), (7, 241110), (9, 187530), (10, 168777), (14, 120555), (15, 112518), (18, 93765), (19, 88830), (21, 80370), (27, 62510), (30, 56259), (35, 48222), (38, 44415), (42, 40185), (45, 37506), (47, 35910), (54, 31255), (57, 29610), (63, 26790), (70, 24111), (90, 18753), (94, 17955), (95, 17766), (105, 16074), (114, 14805), (126, 13395), (133, 12690), (135, 12502), (141, 11970), (171, 9870), (189, 8930), (190, 8883), (210, 8037), (235, 7182), (266, 6345), (270, 6251), (282, 5985), (285, 5922), (315, 5358), (329, 5130), (342, 4935), (378, 4465), (399, 4230), (423, 3990), (470, 3591), (513, 3290), (570, 2961), (630, 2679), (658, 2565), (665, 2538), (705, 2394), (798, 2115), (846, 1995), (855, 1974), (893, 1890), (945, 1786), (987, 1710), (1026, 1645), (1197, 1410), (1269, 1330)]