83640420

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{227}}^1$

素因数の和:354

約数の個数: 144

約数和(自身を含む): 268894080

約数和(自身を除く): 185253660

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 23, 30, 36, 45, 46, 60, 69, 89, 90, 92, 115, 138, 178, 180, 207, 227, 230, 267, 276, 345, 356, 414, 445, 454, 460, 534, 681, 690, 801, 828, 890, 908, 1035, 1068, 1135, 1335, 1362, 1380, 1602, 1780, 2043, 2047, 2070, 2270, 2670, 2724, 3204, 3405, 4005, 4086, 4094, 4140, 4540, 5221, 5340, 6141, 6810, 8010, 8172, 8188, 10215, 10235, 10442, 12282, 13620, 15663, 16020, 18423, 20203, 20430, 20470, 20884, 24564, 26105, 30705, 31326, 36846, 40406, 40860, 40940, 46989, 52210, 60609, 61410, 62652, 73692, 78315, 80812, 92115, 93978, 101015, 104420, 121218, 122820, 156630, 181827, 184230, 187956, 202030, 234945, 242436, 303045, 313260, 363654, 368460, 404060, 464669, 469890, 606090, 727308, 909135, 929338, 939780, 1212180, 1394007, 1818270, 1858676, 2323345, 2788014, 3636540, 4182021, 4646690, 5576028, 6970035, 8364042, 9293380, 13940070, 16728084, 20910105, 27880140, 41820210, 83640420]

約数ペア:

[(1, 83640420), (2, 41820210), (3, 27880140), (4, 20910105), (5, 16728084), (6, 13940070), (9, 9293380), (10, 8364042), (12, 6970035), (15, 5576028), (18, 4646690), (20, 4182021), (23, 3636540), (30, 2788014), (36, 2323345), (45, 1858676), (46, 1818270), (60, 1394007), (69, 1212180), (89, 939780), (90, 929338), (92, 909135), (115, 727308), (138, 606090), (178, 469890), (180, 464669), (207, 404060), (227, 368460), (230, 363654), (267, 313260), (276, 303045), (345, 242436), (356, 234945), (414, 202030), (445, 187956), (454, 184230), (460, 181827), (534, 156630), (681, 122820), (690, 121218), (801, 104420), (828, 101015), (890, 93978), (908, 92115), (1035, 80812), (1068, 78315), (1135, 73692), (1335, 62652), (1362, 61410), (1380, 60609), (1602, 52210), (1780, 46989), (2043, 40940), (2047, 40860), (2070, 40406), (2270, 36846), (2670, 31326), (2724, 30705), (3204, 26105), (3405, 24564), (4005, 20884), (4086, 20470), (4094, 20430), (4140, 20203), (4540, 18423), (5221, 16020), (5340, 15663), (6141, 13620), (6810, 12282), (8010, 10442), (8172, 10235), (8188, 10215)]