2017977520

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{157}}^1\times {\mathrm{727}}^1$

素因数の和:927

約数の個数: 160

約数和(自身を含む): 5391404928

約数和(自身を除く): 3373427408

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 17, 20, 26, 34, 40, 52, 65, 68, 80, 85, 104, 130, 136, 157, 170, 208, 221, 260, 272, 314, 340, 442, 520, 628, 680, 727, 785, 884, 1040, 1105, 1256, 1360, 1454, 1570, 1768, 2041, 2210, 2512, 2669, 2908, 3140, 3536, 3635, 4082, 4420, 5338, 5816, 6280, 7270, 8164, 8840, 9451, 10205, 10676, 11632, 12359, 12560, 13345, 14540, 16328, 17680, 18902, 20410, 21352, 24718, 26690, 29080, 32656, 34697, 37804, 40820, 42704, 47255, 49436, 53380, 58160, 61795, 69394, 75608, 81640, 94510, 98872, 106760, 114139, 123590, 138788, 151216, 160667, 163280, 173485, 189020, 197744, 213520, 228278, 247180, 277576, 321334, 346970, 378040, 456556, 494360, 555152, 570695, 642668, 693940, 756080, 803335, 913112, 988720, 1141390, 1285336, 1387880, 1483807, 1606670, 1826224, 1940363, 2282780, 2570672, 2775760, 2967614, 3213340, 3880726, 4565560, 5935228, 6426680, 7419035, 7761452, 9131120, 9701815, 11870456, 12853360, 14838070, 15522904, 19403630, 23740912, 25224719, 29676140, 31045808, 38807260, 50449438, 59352280, 77614520, 100898876, 118704560, 126123595, 155229040, 201797752, 252247190, 403595504, 504494380, 1008988760, 2017977520]

約数ペア:

[(1, 2017977520), (2, 1008988760), (4, 504494380), (5, 403595504), (8, 252247190), (10, 201797752), (13, 155229040), (16, 126123595), (17, 118704560), (20, 100898876), (26, 77614520), (34, 59352280), (40, 50449438), (52, 38807260), (65, 31045808), (68, 29676140), (80, 25224719), (85, 23740912), (104, 19403630), (130, 15522904), (136, 14838070), (157, 12853360), (170, 11870456), (208, 9701815), (221, 9131120), (260, 7761452), (272, 7419035), (314, 6426680), (340, 5935228), (442, 4565560), (520, 3880726), (628, 3213340), (680, 2967614), (727, 2775760), (785, 2570672), (884, 2282780), (1040, 1940363), (1105, 1826224), (1256, 1606670), (1360, 1483807), (1454, 1387880), (1570, 1285336), (1768, 1141390), (2041, 988720), (2210, 913112), (2512, 803335), (2669, 756080), (2908, 693940), (3140, 642668), (3536, 570695), (3635, 555152), (4082, 494360), (4420, 456556), (5338, 378040), (5816, 346970), (6280, 321334), (7270, 277576), (8164, 247180), (8840, 228278), (9451, 213520), (10205, 197744), (10676, 189020), (11632, 173485), (12359, 163280), (12560, 160667), (13345, 151216), (14540, 138788), (16328, 123590), (17680, 114139), (18902, 106760), (20410, 98872), (21352, 94510), (24718, 81640), (26690, 75608), (29080, 69394), (32656, 61795), (34697, 58160), (37804, 53380), (40820, 49436), (42704, 47255)]