691074320

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^2\times {\mathrm{89}}^1\times {\mathrm{101}}^1$

素因数の和:265

約数の個数: 120

約数和(自身を含む): 1695527640

約数和(自身を除く): 1004453320

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 89, 101, 124, 155, 178, 202, 248, 310, 356, 404, 445, 496, 505, 620, 712, 808, 890, 961, 1010, 1240, 1424, 1616, 1780, 1922, 2020, 2480, 2759, 3131, 3560, 3844, 4040, 4805, 5518, 6262, 7120, 7688, 8080, 8989, 9610, 11036, 12524, 13795, 15376, 15655, 17978, 19220, 22072, 25048, 27590, 31310, 35956, 38440, 44144, 44945, 50096, 55180, 62620, 71912, 76880, 85529, 89890, 97061, 110360, 125240, 143824, 171058, 179780, 194122, 220720, 250480, 278659, 342116, 359560, 388244, 427645, 485305, 557318, 684232, 719120, 776488, 855290, 970610, 1114636, 1368464, 1393295, 1552976, 1710580, 1941220, 2229272, 2786590, 3421160, 3882440, 4458544, 5573180, 6842320, 7764880, 8638429, 11146360, 17276858, 22292720, 34553716, 43192145, 69107432, 86384290, 138214864, 172768580, 345537160, 691074320]

約数ペア:

[(1, 691074320), (2, 345537160), (4, 172768580), (5, 138214864), (8, 86384290), (10, 69107432), (16, 43192145), (20, 34553716), (31, 22292720), (40, 17276858), (62, 11146360), (80, 8638429), (89, 7764880), (101, 6842320), (124, 5573180), (155, 4458544), (178, 3882440), (202, 3421160), (248, 2786590), (310, 2229272), (356, 1941220), (404, 1710580), (445, 1552976), (496, 1393295), (505, 1368464), (620, 1114636), (712, 970610), (808, 855290), (890, 776488), (961, 719120), (1010, 684232), (1240, 557318), (1424, 485305), (1616, 427645), (1780, 388244), (1922, 359560), (2020, 342116), (2480, 278659), (2759, 250480), (3131, 220720), (3560, 194122), (3844, 179780), (4040, 171058), (4805, 143824), (5518, 125240), (6262, 110360), (7120, 97061), (7688, 89890), (8080, 85529), (8989, 76880), (9610, 71912), (11036, 62620), (12524, 55180), (13795, 50096), (15376, 44945), (15655, 44144), (17978, 38440), (19220, 35956), (22072, 31310), (25048, 27590)]