181991460

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{359}}^1$

素因数の和:466

約数の個数: 192

約数和(自身を含む): 627056640

約数和(自身を除く): 445065180

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 17, 20, 21, 28, 30, 34, 35, 42, 51, 60, 68, 70, 71, 84, 85, 102, 105, 119, 140, 142, 170, 204, 210, 213, 238, 255, 284, 340, 355, 357, 359, 420, 426, 476, 497, 510, 595, 710, 714, 718, 852, 994, 1020, 1065, 1077, 1190, 1207, 1420, 1428, 1436, 1491, 1785, 1795, 1988, 2130, 2154, 2380, 2414, 2485, 2513, 2982, 3570, 3590, 3621, 4260, 4308, 4828, 4970, 5026, 5385, 5964, 6035, 6103, 7140, 7180, 7242, 7455, 7539, 8449, 9940, 10052, 10770, 12070, 12206, 12565, 14484, 14910, 15078, 16898, 18105, 18309, 21540, 24140, 24412, 25130, 25347, 25489, 29820, 30156, 30515, 33796, 36210, 36618, 37695, 42245, 42721, 50260, 50694, 50978, 61030, 72420, 73236, 75390, 76467, 84490, 85442, 91545, 101388, 101956, 122060, 126735, 127445, 128163, 150780, 152934, 168980, 170884, 178423, 183090, 213605, 253470, 254890, 256326, 305868, 356846, 366180, 382335, 427210, 433313, 506940, 509780, 512652, 535269, 640815, 713692, 764670, 854420, 866626, 892115, 1070538, 1281630, 1299939, 1529340, 1733252, 1784230, 2141076, 2166565, 2563260, 2599878, 2676345, 3033191, 3568460, 4333130, 5199756, 5352690, 6066382, 6499695, 8666260, 9099573, 10705380, 12132764, 12999390, 15165955, 18199146, 25998780, 30331910, 36398292, 45497865, 60663820, 90995730, 181991460]

約数ペア:

[(1, 181991460), (2, 90995730), (3, 60663820), (4, 45497865), (5, 36398292), (6, 30331910), (7, 25998780), (10, 18199146), (12, 15165955), (14, 12999390), (15, 12132764), (17, 10705380), (20, 9099573), (21, 8666260), (28, 6499695), (30, 6066382), (34, 5352690), (35, 5199756), (42, 4333130), (51, 3568460), (60, 3033191), (68, 2676345), (70, 2599878), (71, 2563260), (84, 2166565), (85, 2141076), (102, 1784230), (105, 1733252), (119, 1529340), (140, 1299939), (142, 1281630), (170, 1070538), (204, 892115), (210, 866626), (213, 854420), (238, 764670), (255, 713692), (284, 640815), (340, 535269), (355, 512652), (357, 509780), (359, 506940), (420, 433313), (426, 427210), (476, 382335), (497, 366180), (510, 356846), (595, 305868), (710, 256326), (714, 254890), (718, 253470), (852, 213605), (994, 183090), (1020, 178423), (1065, 170884), (1077, 168980), (1190, 152934), (1207, 150780), (1420, 128163), (1428, 127445), (1436, 126735), (1491, 122060), (1785, 101956), (1795, 101388), (1988, 91545), (2130, 85442), (2154, 84490), (2380, 76467), (2414, 75390), (2485, 73236), (2513, 72420), (2982, 61030), (3570, 50978), (3590, 50694), (3621, 50260), (4260, 42721), (4308, 42245), (4828, 37695), (4970, 36618), (5026, 36210), (5385, 33796), (5964, 30515), (6035, 30156), (6103, 29820), (7140, 25489), (7180, 25347), (7242, 25130), (7455, 24412), (7539, 24140), (8449, 21540), (9940, 18309), (10052, 18105), (10770, 16898), (12070, 15078), (12206, 14910), (12565, 14484)]