81286650

素因数分解:

$2^1\times 3^2\times 5^2\times {\mathrm{31}}^1\times {\mathrm{5827}}^1$

素因数の和:5876

約数の個数: 72

約数和(自身を含む): 225473664

約数和(自身を除く): 144187014

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 25, 30, 31, 45, 50, 62, 75, 90, 93, 150, 155, 186, 225, 279, 310, 450, 465, 558, 775, 930, 1395, 1550, 2325, 2790, 4650, 5827, 6975, 11654, 13950, 17481, 29135, 34962, 52443, 58270, 87405, 104886, 145675, 174810, 180637, 262215, 291350, 361274, 437025, 524430, 541911, 874050, 903185, 1083822, 1311075, 1625733, 1806370, 2622150, 2709555, 3251466, 4515925, 5419110, 8128665, 9031850, 13547775, 16257330, 27095550, 40643325, 81286650]

約数ペア:

[(1, 81286650), (2, 40643325), (3, 27095550), (5, 16257330), (6, 13547775), (9, 9031850), (10, 8128665), (15, 5419110), (18, 4515925), (25, 3251466), (30, 2709555), (31, 2622150), (45, 1806370), (50, 1625733), (62, 1311075), (75, 1083822), (90, 903185), (93, 874050), (150, 541911), (155, 524430), (186, 437025), (225, 361274), (279, 291350), (310, 262215), (450, 180637), (465, 174810), (558, 145675), (775, 104886), (930, 87405), (1395, 58270), (1550, 52443), (2325, 34962), (2790, 29135), (4650, 17481), (5827, 13950), (6975, 11654)]