51754860

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{409}}^1$

素因数の和:480

約数の個数: 144

約数和(自身を含む): 170133600

約数和(自身を除く): 118378740

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 30, 36, 37, 38, 45, 57, 60, 74, 76, 90, 95, 111, 114, 148, 171, 180, 185, 190, 222, 228, 285, 333, 342, 370, 380, 409, 444, 555, 570, 666, 684, 703, 740, 818, 855, 1110, 1140, 1227, 1332, 1406, 1636, 1665, 1710, 2045, 2109, 2220, 2454, 2812, 3330, 3420, 3515, 3681, 4090, 4218, 4908, 6135, 6327, 6660, 7030, 7362, 7771, 8180, 8436, 10545, 12270, 12654, 14060, 14724, 15133, 15542, 18405, 21090, 23313, 24540, 25308, 30266, 31084, 31635, 36810, 38855, 42180, 45399, 46626, 60532, 63270, 69939, 73620, 75665, 77710, 90798, 93252, 116565, 126540, 136197, 139878, 151330, 155420, 181596, 226995, 233130, 272394, 279756, 287527, 302660, 349695, 453990, 466260, 544788, 575054, 680985, 699390, 862581, 907980, 1150108, 1361970, 1398780, 1437635, 1725162, 2587743, 2723940, 2875270, 3450324, 4312905, 5175486, 5750540, 8625810, 10350972, 12938715, 17251620, 25877430, 51754860]

約数ペア:

[(1, 51754860), (2, 25877430), (3, 17251620), (4, 12938715), (5, 10350972), (6, 8625810), (9, 5750540), (10, 5175486), (12, 4312905), (15, 3450324), (18, 2875270), (19, 2723940), (20, 2587743), (30, 1725162), (36, 1437635), (37, 1398780), (38, 1361970), (45, 1150108), (57, 907980), (60, 862581), (74, 699390), (76, 680985), (90, 575054), (95, 544788), (111, 466260), (114, 453990), (148, 349695), (171, 302660), (180, 287527), (185, 279756), (190, 272394), (222, 233130), (228, 226995), (285, 181596), (333, 155420), (342, 151330), (370, 139878), (380, 136197), (409, 126540), (444, 116565), (555, 93252), (570, 90798), (666, 77710), (684, 75665), (703, 73620), (740, 69939), (818, 63270), (855, 60532), (1110, 46626), (1140, 45399), (1227, 42180), (1332, 38855), (1406, 36810), (1636, 31635), (1665, 31084), (1710, 30266), (2045, 25308), (2109, 24540), (2220, 23313), (2454, 21090), (2812, 18405), (3330, 15542), (3420, 15133), (3515, 14724), (3681, 14060), (4090, 12654), (4218, 12270), (4908, 10545), (6135, 8436), (6327, 8180), (6660, 7771), (7030, 7362)]