219765780

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{4943}}^1$

素因数の和:4990

約数の個数: 144

約数和(自身を含む): 755838720

約数和(自身を除く): 536072940

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 19, 20, 26, 30, 36, 38, 39, 45, 52, 57, 60, 65, 76, 78, 90, 95, 114, 117, 130, 156, 171, 180, 190, 195, 228, 234, 247, 260, 285, 342, 380, 390, 468, 494, 570, 585, 684, 741, 780, 855, 988, 1140, 1170, 1235, 1482, 1710, 2223, 2340, 2470, 2964, 3420, 3705, 4446, 4940, 4943, 7410, 8892, 9886, 11115, 14820, 14829, 19772, 22230, 24715, 29658, 44460, 44487, 49430, 59316, 64259, 74145, 88974, 93917, 98860, 128518, 148290, 177948, 187834, 192777, 222435, 257036, 281751, 296580, 321295, 375668, 385554, 444870, 469585, 563502, 578331, 642590, 771108, 845253, 889740, 939170, 963885, 1127004, 1156662, 1220921, 1285180, 1408755, 1690506, 1878340, 1927770, 2313324, 2441842, 2817510, 2891655, 3381012, 3662763, 3855540, 4226265, 4883684, 5635020, 5783310, 6104605, 7325526, 8452530, 10988289, 11566620, 12209210, 14651052, 16905060, 18313815, 21976578, 24418420, 36627630, 43953156, 54941445, 73255260, 109882890, 219765780]

約数ペア:

[(1, 219765780), (2, 109882890), (3, 73255260), (4, 54941445), (5, 43953156), (6, 36627630), (9, 24418420), (10, 21976578), (12, 18313815), (13, 16905060), (15, 14651052), (18, 12209210), (19, 11566620), (20, 10988289), (26, 8452530), (30, 7325526), (36, 6104605), (38, 5783310), (39, 5635020), (45, 4883684), (52, 4226265), (57, 3855540), (60, 3662763), (65, 3381012), (76, 2891655), (78, 2817510), (90, 2441842), (95, 2313324), (114, 1927770), (117, 1878340), (130, 1690506), (156, 1408755), (171, 1285180), (180, 1220921), (190, 1156662), (195, 1127004), (228, 963885), (234, 939170), (247, 889740), (260, 845253), (285, 771108), (342, 642590), (380, 578331), (390, 563502), (468, 469585), (494, 444870), (570, 385554), (585, 375668), (684, 321295), (741, 296580), (780, 281751), (855, 257036), (988, 222435), (1140, 192777), (1170, 187834), (1235, 177948), (1482, 148290), (1710, 128518), (2223, 98860), (2340, 93917), (2470, 88974), (2964, 74145), (3420, 64259), (3705, 59316), (4446, 49430), (4940, 44487), (4943, 44460), (7410, 29658), (8892, 24715), (9886, 22230), (11115, 19772), (14820, 14829)]