278499780

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{7001}}^1$

素因数の和:7046

約数の個数: 144

約数和(自身を含む): 963419184

約数和(自身を除く): 684919404

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 17, 18, 20, 26, 30, 34, 36, 39, 45, 51, 52, 60, 65, 68, 78, 85, 90, 102, 117, 130, 153, 156, 170, 180, 195, 204, 221, 234, 255, 260, 306, 340, 390, 442, 468, 510, 585, 612, 663, 765, 780, 884, 1020, 1105, 1170, 1326, 1530, 1989, 2210, 2340, 2652, 3060, 3315, 3978, 4420, 6630, 7001, 7956, 9945, 13260, 14002, 19890, 21003, 28004, 35005, 39780, 42006, 63009, 70010, 84012, 91013, 105015, 119017, 126018, 140020, 182026, 210030, 238034, 252036, 273039, 315045, 357051, 364052, 420060, 455065, 476068, 546078, 595085, 630090, 714102, 819117, 910130, 1071153, 1092156, 1190170, 1260180, 1365195, 1428204, 1547221, 1638234, 1785255, 1820260, 2142306, 2380340, 2730390, 3094442, 3276468, 3570510, 4095585, 4284612, 4641663, 5355765, 5460780, 6188884, 7141020, 7736105, 8191170, 9283326, 10711530, 13924989, 15472210, 16382340, 18566652, 21423060, 23208315, 27849978, 30944420, 46416630, 55699956, 69624945, 92833260, 139249890, 278499780]

約数ペア:

[(1, 278499780), (2, 139249890), (3, 92833260), (4, 69624945), (5, 55699956), (6, 46416630), (9, 30944420), (10, 27849978), (12, 23208315), (13, 21423060), (15, 18566652), (17, 16382340), (18, 15472210), (20, 13924989), (26, 10711530), (30, 9283326), (34, 8191170), (36, 7736105), (39, 7141020), (45, 6188884), (51, 5460780), (52, 5355765), (60, 4641663), (65, 4284612), (68, 4095585), (78, 3570510), (85, 3276468), (90, 3094442), (102, 2730390), (117, 2380340), (130, 2142306), (153, 1820260), (156, 1785255), (170, 1638234), (180, 1547221), (195, 1428204), (204, 1365195), (221, 1260180), (234, 1190170), (255, 1092156), (260, 1071153), (306, 910130), (340, 819117), (390, 714102), (442, 630090), (468, 595085), (510, 546078), (585, 476068), (612, 455065), (663, 420060), (765, 364052), (780, 357051), (884, 315045), (1020, 273039), (1105, 252036), (1170, 238034), (1326, 210030), (1530, 182026), (1989, 140020), (2210, 126018), (2340, 119017), (2652, 105015), (3060, 91013), (3315, 84012), (3978, 70010), (4420, 63009), (6630, 42006), (7001, 39780), (7956, 35005), (9945, 28004), (13260, 21003), (14002, 19890)]