31493070

素因数分解:

$2^1\times 3^3\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{877}}^1$

素因数の和:919

約数の個数: 128

約数和(自身を含む): 101145600

約数和(自身を除く): 69652530

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 19, 21, 27, 30, 35, 38, 42, 45, 54, 57, 63, 70, 90, 95, 105, 114, 126, 133, 135, 171, 189, 190, 210, 266, 270, 285, 315, 342, 378, 399, 513, 570, 630, 665, 798, 855, 877, 945, 1026, 1197, 1330, 1710, 1754, 1890, 1995, 2394, 2565, 2631, 3591, 3990, 4385, 5130, 5262, 5985, 6139, 7182, 7893, 8770, 11970, 12278, 13155, 15786, 16663, 17955, 18417, 23679, 26310, 30695, 33326, 35910, 36834, 39465, 47358, 49989, 55251, 61390, 78930, 83315, 92085, 99978, 110502, 116641, 118395, 149967, 165753, 166630, 184170, 233282, 236790, 249945, 276255, 299934, 331506, 349923, 449901, 499890, 552510, 583205, 699846, 749835, 828765, 899802, 1049769, 1166410, 1499670, 1657530, 1749615, 2099538, 2249505, 3149307, 3499230, 4499010, 5248845, 6298614, 10497690, 15746535, 31493070]

約数ペア:

[(1, 31493070), (2, 15746535), (3, 10497690), (5, 6298614), (6, 5248845), (7, 4499010), (9, 3499230), (10, 3149307), (14, 2249505), (15, 2099538), (18, 1749615), (19, 1657530), (21, 1499670), (27, 1166410), (30, 1049769), (35, 899802), (38, 828765), (42, 749835), (45, 699846), (54, 583205), (57, 552510), (63, 499890), (70, 449901), (90, 349923), (95, 331506), (105, 299934), (114, 276255), (126, 249945), (133, 236790), (135, 233282), (171, 184170), (189, 166630), (190, 165753), (210, 149967), (266, 118395), (270, 116641), (285, 110502), (315, 99978), (342, 92085), (378, 83315), (399, 78930), (513, 61390), (570, 55251), (630, 49989), (665, 47358), (798, 39465), (855, 36834), (877, 35910), (945, 33326), (1026, 30695), (1197, 26310), (1330, 23679), (1710, 18417), (1754, 17955), (1890, 16663), (1995, 15786), (2394, 13155), (2565, 12278), (2631, 11970), (3591, 8770), (3990, 7893), (4385, 7182), (5130, 6139), (5262, 5985)]