81815370

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{1303}}^1$

素因数の和:1356

約数の個数: 128

約数和(自身を含む): 252370944

約数和(自身を除く): 170555574

約数列:

[1, 2, 3, 5, 6, 7, 10, 13, 14, 15, 21, 23, 26, 30, 35, 39, 42, 46, 65, 69, 70, 78, 91, 105, 115, 130, 138, 161, 182, 195, 210, 230, 273, 299, 322, 345, 390, 455, 483, 546, 598, 690, 805, 897, 910, 966, 1303, 1365, 1495, 1610, 1794, 2093, 2415, 2606, 2730, 2990, 3909, 4186, 4485, 4830, 6279, 6515, 7818, 8970, 9121, 10465, 12558, 13030, 16939, 18242, 19545, 20930, 27363, 29969, 31395, 33878, 39090, 45605, 50817, 54726, 59938, 62790, 84695, 89907, 91210, 101634, 118573, 136815, 149845, 169390, 179814, 209783, 237146, 254085, 273630, 299690, 355719, 389597, 419566, 449535, 508170, 592865, 629349, 711438, 779194, 899070, 1048915, 1168791, 1185730, 1258698, 1778595, 1947985, 2097830, 2337582, 2727179, 3146745, 3557190, 3895970, 5454358, 5843955, 6293490, 8181537, 11687910, 13635895, 16363074, 27271790, 40907685, 81815370]

約数ペア:

[(1, 81815370), (2, 40907685), (3, 27271790), (5, 16363074), (6, 13635895), (7, 11687910), (10, 8181537), (13, 6293490), (14, 5843955), (15, 5454358), (21, 3895970), (23, 3557190), (26, 3146745), (30, 2727179), (35, 2337582), (39, 2097830), (42, 1947985), (46, 1778595), (65, 1258698), (69, 1185730), (70, 1168791), (78, 1048915), (91, 899070), (105, 779194), (115, 711438), (130, 629349), (138, 592865), (161, 508170), (182, 449535), (195, 419566), (210, 389597), (230, 355719), (273, 299690), (299, 273630), (322, 254085), (345, 237146), (390, 209783), (455, 179814), (483, 169390), (546, 149845), (598, 136815), (690, 118573), (805, 101634), (897, 91210), (910, 89907), (966, 84695), (1303, 62790), (1365, 59938), (1495, 54726), (1610, 50817), (1794, 45605), (2093, 39090), (2415, 33878), (2606, 31395), (2730, 29969), (2990, 27363), (3909, 20930), (4186, 19545), (4485, 18242), (4830, 16939), (6279, 13030), (6515, 12558), (7818, 10465), (8970, 9121)]