72002925

素因数分解:

$3^4\times 5^2\times {\mathrm{31}}^2\times {\mathrm{37}}^1$

素因数の和:121

約数の個数: 90

約数和(自身を含む): 141540234

約数和(自身を除く): 69537309

約数列:

[1, 3, 5, 9, 15, 25, 27, 31, 37, 45, 75, 81, 93, 111, 135, 155, 185, 225, 279, 333, 405, 465, 555, 675, 775, 837, 925, 961, 999, 1147, 1395, 1665, 2025, 2325, 2511, 2775, 2883, 2997, 3441, 4185, 4805, 4995, 5735, 6975, 8325, 8649, 10323, 12555, 14415, 14985, 17205, 20925, 24025, 24975, 25947, 28675, 30969, 35557, 43245, 51615, 62775, 72075, 74925, 77841, 86025, 92907, 106671, 129735, 154845, 177785, 216225, 258075, 320013, 389205, 464535, 533355, 648675, 774225, 888925, 960039, 1600065, 1946025, 2322675, 2666775, 2880117, 4800195, 8000325, 14400585, 24000975, 72002925]

約数ペア:

[(1, 72002925), (3, 24000975), (5, 14400585), (9, 8000325), (15, 4800195), (25, 2880117), (27, 2666775), (31, 2322675), (37, 1946025), (45, 1600065), (75, 960039), (81, 888925), (93, 774225), (111, 648675), (135, 533355), (155, 464535), (185, 389205), (225, 320013), (279, 258075), (333, 216225), (405, 177785), (465, 154845), (555, 129735), (675, 106671), (775, 92907), (837, 86025), (925, 77841), (961, 74925), (999, 72075), (1147, 62775), (1395, 51615), (1665, 43245), (2025, 35557), (2325, 30969), (2511, 28675), (2775, 25947), (2883, 24975), (2997, 24025), (3441, 20925), (4185, 17205), (4805, 14985), (4995, 14415), (5735, 12555), (6975, 10323), (8325, 8649)]