161673720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{2801}}^1$

素因数の和:2865

約数の個数: 128

約数和(自身を含む): 536639040

約数和(自身を除く): 374965320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 37, 39, 40, 52, 60, 65, 74, 78, 104, 111, 120, 130, 148, 156, 185, 195, 222, 260, 296, 312, 370, 390, 444, 481, 520, 555, 740, 780, 888, 962, 1110, 1443, 1480, 1560, 1924, 2220, 2405, 2801, 2886, 3848, 4440, 4810, 5602, 5772, 7215, 8403, 9620, 11204, 11544, 14005, 14430, 16806, 19240, 22408, 28010, 28860, 33612, 36413, 42015, 56020, 57720, 67224, 72826, 84030, 103637, 109239, 112040, 145652, 168060, 182065, 207274, 218478, 291304, 310911, 336120, 364130, 414548, 436956, 518185, 546195, 621822, 728260, 829096, 873912, 1036370, 1092390, 1243644, 1347281, 1456520, 1554555, 2072740, 2184780, 2487288, 2694562, 3109110, 4041843, 4145480, 4369560, 5389124, 6218220, 6736405, 8083686, 10778248, 12436440, 13472810, 16167372, 20209215, 26945620, 32334744, 40418430, 53891240, 80836860, 161673720]

約数ペア:

[(1, 161673720), (2, 80836860), (3, 53891240), (4, 40418430), (5, 32334744), (6, 26945620), (8, 20209215), (10, 16167372), (12, 13472810), (13, 12436440), (15, 10778248), (20, 8083686), (24, 6736405), (26, 6218220), (30, 5389124), (37, 4369560), (39, 4145480), (40, 4041843), (52, 3109110), (60, 2694562), (65, 2487288), (74, 2184780), (78, 2072740), (104, 1554555), (111, 1456520), (120, 1347281), (130, 1243644), (148, 1092390), (156, 1036370), (185, 873912), (195, 829096), (222, 728260), (260, 621822), (296, 546195), (312, 518185), (370, 436956), (390, 414548), (444, 364130), (481, 336120), (520, 310911), (555, 291304), (740, 218478), (780, 207274), (888, 182065), (962, 168060), (1110, 145652), (1443, 112040), (1480, 109239), (1560, 103637), (1924, 84030), (2220, 72826), (2405, 67224), (2801, 57720), (2886, 56020), (3848, 42015), (4440, 36413), (4810, 33612), (5602, 28860), (5772, 28010), (7215, 22408), (8403, 19240), (9620, 16806), (11204, 14430), (11544, 14005)]