81388950

素因数分解:

$2^1\times 3^1\times 5^2\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{761}}^1$

素因数の和:830

約数の個数: 96

約数和(自身を含む): 217700352

約数和(自身を除く): 136311402

約数列:

[1, 2, 3, 5, 6, 10, 15, 23, 25, 30, 31, 46, 50, 62, 69, 75, 93, 115, 138, 150, 155, 186, 230, 310, 345, 465, 575, 690, 713, 761, 775, 930, 1150, 1426, 1522, 1550, 1725, 2139, 2283, 2325, 3450, 3565, 3805, 4278, 4566, 4650, 7130, 7610, 10695, 11415, 17503, 17825, 19025, 21390, 22830, 23591, 35006, 35650, 38050, 47182, 52509, 53475, 57075, 70773, 87515, 105018, 106950, 114150, 117955, 141546, 175030, 235910, 262545, 353865, 437575, 525090, 542593, 589775, 707730, 875150, 1085186, 1179550, 1312725, 1627779, 1769325, 2625450, 2712965, 3255558, 3538650, 5425930, 8138895, 13564825, 16277790, 27129650, 40694475, 81388950]

約数ペア:

[(1, 81388950), (2, 40694475), (3, 27129650), (5, 16277790), (6, 13564825), (10, 8138895), (15, 5425930), (23, 3538650), (25, 3255558), (30, 2712965), (31, 2625450), (46, 1769325), (50, 1627779), (62, 1312725), (69, 1179550), (75, 1085186), (93, 875150), (115, 707730), (138, 589775), (150, 542593), (155, 525090), (186, 437575), (230, 353865), (310, 262545), (345, 235910), (465, 175030), (575, 141546), (690, 117955), (713, 114150), (761, 106950), (775, 105018), (930, 87515), (1150, 70773), (1426, 57075), (1522, 53475), (1550, 52509), (1725, 47182), (2139, 38050), (2283, 35650), (2325, 35006), (3450, 23591), (3565, 22830), (3805, 21390), (4278, 19025), (4566, 17825), (4650, 17503), (7130, 11415), (7610, 10695)]