72354420

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{83}}^1\times {\mathrm{167}}^1$

素因数の和:294

約数の個数: 144

約数和(自身を含む): 231154560

約数和(自身を除く): 158800140

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 29, 30, 36, 45, 58, 60, 83, 87, 90, 116, 145, 166, 167, 174, 180, 249, 261, 290, 332, 334, 348, 415, 435, 498, 501, 522, 580, 668, 747, 830, 835, 870, 996, 1002, 1044, 1245, 1305, 1494, 1503, 1660, 1670, 1740, 2004, 2407, 2490, 2505, 2610, 2988, 3006, 3340, 3735, 4814, 4843, 4980, 5010, 5220, 6012, 7221, 7470, 7515, 9628, 9686, 10020, 12035, 13861, 14442, 14529, 14940, 15030, 19372, 21663, 24070, 24215, 27722, 28884, 29058, 30060, 36105, 41583, 43326, 43587, 48140, 48430, 55444, 58116, 69305, 72210, 72645, 83166, 86652, 87174, 96860, 108315, 124749, 138610, 144420, 145290, 166332, 174348, 207915, 216630, 217935, 249498, 277220, 290580, 401969, 415830, 433260, 435870, 498996, 623745, 803938, 831660, 871740, 1205907, 1247490, 1607876, 2009845, 2411814, 2494980, 3617721, 4019690, 4823628, 6029535, 7235442, 8039380, 12059070, 14470884, 18088605, 24118140, 36177210, 72354420]

約数ペア:

[(1, 72354420), (2, 36177210), (3, 24118140), (4, 18088605), (5, 14470884), (6, 12059070), (9, 8039380), (10, 7235442), (12, 6029535), (15, 4823628), (18, 4019690), (20, 3617721), (29, 2494980), (30, 2411814), (36, 2009845), (45, 1607876), (58, 1247490), (60, 1205907), (83, 871740), (87, 831660), (90, 803938), (116, 623745), (145, 498996), (166, 435870), (167, 433260), (174, 415830), (180, 401969), (249, 290580), (261, 277220), (290, 249498), (332, 217935), (334, 216630), (348, 207915), (415, 174348), (435, 166332), (498, 145290), (501, 144420), (522, 138610), (580, 124749), (668, 108315), (747, 96860), (830, 87174), (835, 86652), (870, 83166), (996, 72645), (1002, 72210), (1044, 69305), (1245, 58116), (1305, 55444), (1494, 48430), (1503, 48140), (1660, 43587), (1670, 43326), (1740, 41583), (2004, 36105), (2407, 30060), (2490, 29058), (2505, 28884), (2610, 27722), (2988, 24215), (3006, 24070), (3340, 21663), (3735, 19372), (4814, 15030), (4843, 14940), (4980, 14529), (5010, 14442), (5220, 13861), (6012, 12035), (7221, 10020), (7470, 9686), (7515, 9628)]