28698780

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{59}}^1\times {\mathrm{67}}^1$

素因数の和:160

約数の個数: 144

約数和(自身を含む): 91163520

約数和(自身を除く): 62464740

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 15, 20, 22, 30, 33, 44, 55, 59, 60, 66, 67, 110, 118, 121, 132, 134, 165, 177, 201, 220, 236, 242, 268, 295, 330, 335, 354, 363, 402, 484, 590, 605, 649, 660, 670, 708, 726, 737, 804, 885, 1005, 1180, 1210, 1298, 1340, 1452, 1474, 1770, 1815, 1947, 2010, 2211, 2420, 2596, 2948, 3245, 3540, 3630, 3685, 3894, 3953, 4020, 4422, 6490, 7139, 7260, 7370, 7788, 7906, 8107, 8844, 9735, 11055, 11859, 12980, 14278, 14740, 15812, 16214, 19470, 19765, 21417, 22110, 23718, 24321, 28556, 32428, 35695, 38940, 39530, 40535, 42834, 43483, 44220, 47436, 48642, 59295, 71390, 79060, 81070, 85668, 86966, 97284, 107085, 118590, 121605, 130449, 142780, 162140, 173932, 214170, 217415, 237180, 243210, 260898, 428340, 434830, 478313, 486420, 521796, 652245, 869660, 956626, 1304490, 1434939, 1913252, 2391565, 2608980, 2869878, 4783130, 5739756, 7174695, 9566260, 14349390, 28698780]

約数ペア:

[(1, 28698780), (2, 14349390), (3, 9566260), (4, 7174695), (5, 5739756), (6, 4783130), (10, 2869878), (11, 2608980), (12, 2391565), (15, 1913252), (20, 1434939), (22, 1304490), (30, 956626), (33, 869660), (44, 652245), (55, 521796), (59, 486420), (60, 478313), (66, 434830), (67, 428340), (110, 260898), (118, 243210), (121, 237180), (132, 217415), (134, 214170), (165, 173932), (177, 162140), (201, 142780), (220, 130449), (236, 121605), (242, 118590), (268, 107085), (295, 97284), (330, 86966), (335, 85668), (354, 81070), (363, 79060), (402, 71390), (484, 59295), (590, 48642), (605, 47436), (649, 44220), (660, 43483), (670, 42834), (708, 40535), (726, 39530), (737, 38940), (804, 35695), (885, 32428), (1005, 28556), (1180, 24321), (1210, 23718), (1298, 22110), (1340, 21417), (1452, 19765), (1474, 19470), (1770, 16214), (1815, 15812), (1947, 14740), (2010, 14278), (2211, 12980), (2420, 11859), (2596, 11055), (2948, 9735), (3245, 8844), (3540, 8107), (3630, 7906), (3685, 7788), (3894, 7370), (3953, 7260), (4020, 7139), (4422, 6490)]