1391940

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1$

素因数の和:82

約数の個数: 144

約数和(自身を含む): 4979520

約数和(自身を除く): 3587580

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 19, 20, 22, 30, 33, 36, 37, 38, 44, 45, 55, 57, 60, 66, 74, 76, 90, 95, 99, 110, 111, 114, 132, 148, 165, 171, 180, 185, 190, 198, 209, 220, 222, 228, 285, 330, 333, 342, 370, 380, 396, 407, 418, 444, 495, 555, 570, 627, 660, 666, 684, 703, 740, 814, 836, 855, 990, 1045, 1110, 1140, 1221, 1254, 1332, 1406, 1628, 1665, 1710, 1881, 1980, 2035, 2090, 2109, 2220, 2442, 2508, 2812, 3135, 3330, 3420, 3515, 3663, 3762, 4070, 4180, 4218, 4884, 6105, 6270, 6327, 6660, 7030, 7326, 7524, 7733, 8140, 8436, 9405, 10545, 12210, 12540, 12654, 14060, 14652, 15466, 18315, 18810, 21090, 23199, 24420, 25308, 30932, 31635, 36630, 37620, 38665, 42180, 46398, 63270, 69597, 73260, 77330, 92796, 115995, 126540, 139194, 154660, 231990, 278388, 347985, 463980, 695970, 1391940]

約数ペア:

[(1, 1391940), (2, 695970), (3, 463980), (4, 347985), (5, 278388), (6, 231990), (9, 154660), (10, 139194), (11, 126540), (12, 115995), (15, 92796), (18, 77330), (19, 73260), (20, 69597), (22, 63270), (30, 46398), (33, 42180), (36, 38665), (37, 37620), (38, 36630), (44, 31635), (45, 30932), (55, 25308), (57, 24420), (60, 23199), (66, 21090), (74, 18810), (76, 18315), (90, 15466), (95, 14652), (99, 14060), (110, 12654), (111, 12540), (114, 12210), (132, 10545), (148, 9405), (165, 8436), (171, 8140), (180, 7733), (185, 7524), (190, 7326), (198, 7030), (209, 6660), (220, 6327), (222, 6270), (228, 6105), (285, 4884), (330, 4218), (333, 4180), (342, 4070), (370, 3762), (380, 3663), (396, 3515), (407, 3420), (418, 3330), (444, 3135), (495, 2812), (555, 2508), (570, 2442), (627, 2220), (660, 2109), (666, 2090), (684, 2035), (703, 1980), (740, 1881), (814, 1710), (836, 1665), (855, 1628), (990, 1406), (1045, 1332), (1110, 1254), (1140, 1221)]