142979940

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{97}}^1\times {\mathrm{431}}^1$

素因数の和:562

約数の個数: 144

約数和(自身を含む): 462309120

約数和(自身を除く): 319329180

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 30, 36, 38, 45, 57, 60, 76, 90, 95, 97, 114, 171, 180, 190, 194, 228, 285, 291, 342, 380, 388, 431, 485, 570, 582, 684, 855, 862, 873, 970, 1140, 1164, 1293, 1455, 1710, 1724, 1746, 1843, 1940, 2155, 2586, 2910, 3420, 3492, 3686, 3879, 4310, 4365, 5172, 5529, 5820, 6465, 7372, 7758, 8189, 8620, 8730, 9215, 11058, 12930, 15516, 16378, 16587, 17460, 18430, 19395, 22116, 24567, 25860, 27645, 32756, 33174, 36860, 38790, 40945, 41807, 49134, 55290, 66348, 73701, 77580, 81890, 82935, 83614, 98268, 110580, 122835, 125421, 147402, 163780, 165870, 167228, 209035, 245670, 250842, 294804, 331740, 368505, 376263, 418070, 491340, 501684, 627105, 737010, 752526, 794333, 836140, 1254210, 1474020, 1505052, 1588666, 1881315, 2382999, 2508420, 3177332, 3762630, 3971665, 4765998, 7148997, 7525260, 7943330, 9531996, 11914995, 14297994, 15886660, 23829990, 28595988, 35744985, 47659980, 71489970, 142979940]

約数ペア:

[(1, 142979940), (2, 71489970), (3, 47659980), (4, 35744985), (5, 28595988), (6, 23829990), (9, 15886660), (10, 14297994), (12, 11914995), (15, 9531996), (18, 7943330), (19, 7525260), (20, 7148997), (30, 4765998), (36, 3971665), (38, 3762630), (45, 3177332), (57, 2508420), (60, 2382999), (76, 1881315), (90, 1588666), (95, 1505052), (97, 1474020), (114, 1254210), (171, 836140), (180, 794333), (190, 752526), (194, 737010), (228, 627105), (285, 501684), (291, 491340), (342, 418070), (380, 376263), (388, 368505), (431, 331740), (485, 294804), (570, 250842), (582, 245670), (684, 209035), (855, 167228), (862, 165870), (873, 163780), (970, 147402), (1140, 125421), (1164, 122835), (1293, 110580), (1455, 98268), (1710, 83614), (1724, 82935), (1746, 81890), (1843, 77580), (1940, 73701), (2155, 66348), (2586, 55290), (2910, 49134), (3420, 41807), (3492, 40945), (3686, 38790), (3879, 36860), (4310, 33174), (4365, 32756), (5172, 27645), (5529, 25860), (5820, 24567), (6465, 22116), (7372, 19395), (7758, 18430), (8189, 17460), (8620, 16587), (8730, 16378), (9215, 15516), (11058, 12930)]