321195780

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{331}}^1\times {\mathrm{599}}^1$

素因数の和:951

約数の個数: 120

約数和(自身を含む): 1012334400

約数和(自身を除く): 691138620

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 81, 90, 108, 135, 162, 180, 270, 324, 331, 405, 540, 599, 662, 810, 993, 1198, 1324, 1620, 1655, 1797, 1986, 2396, 2979, 2995, 3310, 3594, 3972, 4965, 5391, 5958, 5990, 6620, 7188, 8937, 8985, 9930, 10782, 11916, 11980, 14895, 16173, 17874, 17970, 19860, 21564, 26811, 26955, 29790, 32346, 35748, 35940, 44685, 48519, 53622, 53910, 59580, 64692, 80865, 89370, 97038, 107244, 107820, 134055, 161730, 178740, 194076, 198269, 242595, 268110, 323460, 396538, 485190, 536220, 594807, 793076, 970380, 991345, 1189614, 1784421, 1982690, 2379228, 2974035, 3568842, 3965380, 5353263, 5948070, 7137684, 8922105, 10706526, 11896140, 16059789, 17844210, 21413052, 26766315, 32119578, 35688420, 53532630, 64239156, 80298945, 107065260, 160597890, 321195780]

約数ペア:

[(1, 321195780), (2, 160597890), (3, 107065260), (4, 80298945), (5, 64239156), (6, 53532630), (9, 35688420), (10, 32119578), (12, 26766315), (15, 21413052), (18, 17844210), (20, 16059789), (27, 11896140), (30, 10706526), (36, 8922105), (45, 7137684), (54, 5948070), (60, 5353263), (81, 3965380), (90, 3568842), (108, 2974035), (135, 2379228), (162, 1982690), (180, 1784421), (270, 1189614), (324, 991345), (331, 970380), (405, 793076), (540, 594807), (599, 536220), (662, 485190), (810, 396538), (993, 323460), (1198, 268110), (1324, 242595), (1620, 198269), (1655, 194076), (1797, 178740), (1986, 161730), (2396, 134055), (2979, 107820), (2995, 107244), (3310, 97038), (3594, 89370), (3972, 80865), (4965, 64692), (5391, 59580), (5958, 53910), (5990, 53622), (6620, 48519), (7188, 44685), (8937, 35940), (8985, 35748), (9930, 32346), (10782, 29790), (11916, 26955), (11980, 26811), (14895, 21564), (16173, 19860), (17874, 17970)]