72981900

素因数分解:

$2^2\times 3^2\times 5^2\times {\mathrm{83}}^1\times {\mathrm{977}}^1$

素因数の和:1080

約数の個数: 108

約数和(自身を含む): 231750792

約数和(自身を除く): 158768892

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 25, 30, 36, 45, 50, 60, 75, 83, 90, 100, 150, 166, 180, 225, 249, 300, 332, 415, 450, 498, 747, 830, 900, 977, 996, 1245, 1494, 1660, 1954, 2075, 2490, 2931, 2988, 3735, 3908, 4150, 4885, 4980, 5862, 6225, 7470, 8300, 8793, 9770, 11724, 12450, 14655, 14940, 17586, 18675, 19540, 24425, 24900, 29310, 35172, 37350, 43965, 48850, 58620, 73275, 74700, 81091, 87930, 97700, 146550, 162182, 175860, 219825, 243273, 293100, 324364, 405455, 439650, 486546, 729819, 810910, 879300, 973092, 1216365, 1459638, 1621820, 2027275, 2432730, 2919276, 3649095, 4054550, 4865460, 6081825, 7298190, 8109100, 12163650, 14596380, 18245475, 24327300, 36490950, 72981900]

約数ペア:

[(1, 72981900), (2, 36490950), (3, 24327300), (4, 18245475), (5, 14596380), (6, 12163650), (9, 8109100), (10, 7298190), (12, 6081825), (15, 4865460), (18, 4054550), (20, 3649095), (25, 2919276), (30, 2432730), (36, 2027275), (45, 1621820), (50, 1459638), (60, 1216365), (75, 973092), (83, 879300), (90, 810910), (100, 729819), (150, 486546), (166, 439650), (180, 405455), (225, 324364), (249, 293100), (300, 243273), (332, 219825), (415, 175860), (450, 162182), (498, 146550), (747, 97700), (830, 87930), (900, 81091), (977, 74700), (996, 73275), (1245, 58620), (1494, 48850), (1660, 43965), (1954, 37350), (2075, 35172), (2490, 29310), (2931, 24900), (2988, 24425), (3735, 19540), (3908, 18675), (4150, 17586), (4885, 14940), (4980, 14655), (5862, 12450), (6225, 11724), (7470, 9770), (8300, 8793)]