16021980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{167}}^1$

素因数の和:236

約数の個数: 144

約数和(自身を含む): 53936064

約数和(自身を除く): 37914084

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 30, 36, 39, 41, 45, 52, 60, 65, 78, 82, 90, 117, 123, 130, 156, 164, 167, 180, 195, 205, 234, 246, 260, 334, 369, 390, 410, 468, 492, 501, 533, 585, 615, 668, 738, 780, 820, 835, 1002, 1066, 1170, 1230, 1476, 1503, 1599, 1670, 1845, 2004, 2132, 2171, 2340, 2460, 2505, 2665, 3006, 3198, 3340, 3690, 4342, 4797, 5010, 5330, 6012, 6396, 6513, 6847, 7380, 7515, 7995, 8684, 9594, 10020, 10660, 10855, 13026, 13694, 15030, 15990, 19188, 19539, 20541, 21710, 23985, 26052, 27388, 30060, 31980, 32565, 34235, 39078, 41082, 43420, 47970, 61623, 65130, 68470, 78156, 82164, 89011, 95940, 97695, 102705, 123246, 130260, 136940, 178022, 195390, 205410, 246492, 267033, 308115, 356044, 390780, 410820, 445055, 534066, 616230, 801099, 890110, 1068132, 1232460, 1335165, 1602198, 1780220, 2670330, 3204396, 4005495, 5340660, 8010990, 16021980]

約数ペア:

[(1, 16021980), (2, 8010990), (3, 5340660), (4, 4005495), (5, 3204396), (6, 2670330), (9, 1780220), (10, 1602198), (12, 1335165), (13, 1232460), (15, 1068132), (18, 890110), (20, 801099), (26, 616230), (30, 534066), (36, 445055), (39, 410820), (41, 390780), (45, 356044), (52, 308115), (60, 267033), (65, 246492), (78, 205410), (82, 195390), (90, 178022), (117, 136940), (123, 130260), (130, 123246), (156, 102705), (164, 97695), (167, 95940), (180, 89011), (195, 82164), (205, 78156), (234, 68470), (246, 65130), (260, 61623), (334, 47970), (369, 43420), (390, 41082), (410, 39078), (468, 34235), (492, 32565), (501, 31980), (533, 30060), (585, 27388), (615, 26052), (668, 23985), (738, 21710), (780, 20541), (820, 19539), (835, 19188), (1002, 15990), (1066, 15030), (1170, 13694), (1230, 13026), (1476, 10855), (1503, 10660), (1599, 10020), (1670, 9594), (1845, 8684), (2004, 7995), (2132, 7515), (2171, 7380), (2340, 6847), (2460, 6513), (2505, 6396), (2665, 6012), (3006, 5330), (3198, 5010), (3340, 4797), (3690, 4342)]