1791746060

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^2\times {\mathrm{71}}^1\times {\mathrm{101}}^1$

素因数の和:256

約数の個数: 144

約数和(自身を含む): 4288044096

約数和(自身を除く): 2496298036

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 31, 52, 62, 65, 71, 101, 124, 130, 142, 155, 202, 260, 284, 310, 355, 403, 404, 505, 620, 710, 806, 923, 961, 1010, 1313, 1420, 1612, 1846, 1922, 2015, 2020, 2201, 2626, 3131, 3692, 3844, 4030, 4402, 4615, 4805, 5252, 6262, 6565, 7171, 8060, 8804, 9230, 9610, 11005, 12493, 12524, 13130, 14342, 15655, 18460, 19220, 22010, 24986, 26260, 28613, 28684, 31310, 35855, 40703, 44020, 49972, 57226, 62465, 62620, 68231, 71710, 81406, 93223, 97061, 114452, 124930, 136462, 143065, 143420, 162812, 186446, 194122, 203515, 222301, 249860, 272924, 286130, 341155, 372892, 388244, 407030, 444602, 466115, 485305, 572260, 682310, 814060, 887003, 889204, 932230, 970610, 1111505, 1261793, 1364620, 1774006, 1864460, 1941220, 2223010, 2523586, 2889913, 3548012, 4435015, 4446020, 5047172, 5779826, 6308965, 6891331, 8870030, 11559652, 12617930, 13782662, 14449565, 17740060, 25235860, 27565324, 28899130, 34456655, 57798260, 68913310, 89587303, 137826620, 179174606, 358349212, 447936515, 895873030, 1791746060]

約数ペア:

[(1, 1791746060), (2, 895873030), (4, 447936515), (5, 358349212), (10, 179174606), (13, 137826620), (20, 89587303), (26, 68913310), (31, 57798260), (52, 34456655), (62, 28899130), (65, 27565324), (71, 25235860), (101, 17740060), (124, 14449565), (130, 13782662), (142, 12617930), (155, 11559652), (202, 8870030), (260, 6891331), (284, 6308965), (310, 5779826), (355, 5047172), (403, 4446020), (404, 4435015), (505, 3548012), (620, 2889913), (710, 2523586), (806, 2223010), (923, 1941220), (961, 1864460), (1010, 1774006), (1313, 1364620), (1420, 1261793), (1612, 1111505), (1846, 970610), (1922, 932230), (2015, 889204), (2020, 887003), (2201, 814060), (2626, 682310), (3131, 572260), (3692, 485305), (3844, 466115), (4030, 444602), (4402, 407030), (4615, 388244), (4805, 372892), (5252, 341155), (6262, 286130), (6565, 272924), (7171, 249860), (8060, 222301), (8804, 203515), (9230, 194122), (9610, 186446), (11005, 162812), (12493, 143420), (12524, 143065), (13130, 136462), (14342, 124930), (15655, 114452), (18460, 97061), (19220, 93223), (22010, 81406), (24986, 71710), (26260, 68231), (28613, 62620), (28684, 62465), (31310, 57226), (35855, 49972), (40703, 44020)]