2161178940

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{26701}}^1$

素因数の和:26803

約数の個数: 96

約数和(自身を含む): 6459747840

約数和(自身を除く): 4298568900

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 19, 20, 30, 38, 57, 60, 71, 76, 95, 114, 142, 190, 213, 228, 284, 285, 355, 380, 426, 570, 710, 852, 1065, 1140, 1349, 1420, 2130, 2698, 4047, 4260, 5396, 6745, 8094, 13490, 16188, 20235, 26701, 26980, 40470, 53402, 80103, 80940, 106804, 133505, 160206, 267010, 320412, 400515, 507319, 534020, 801030, 1014638, 1521957, 1602060, 1895771, 2029276, 2536595, 3043914, 3791542, 5073190, 5687313, 6087828, 7583084, 7609785, 9478855, 10146380, 11374626, 15219570, 18957710, 22749252, 28436565, 30439140, 36019649, 37915420, 56873130, 72039298, 108058947, 113746260, 144078596, 180098245, 216117894, 360196490, 432235788, 540294735, 720392980, 1080589470, 2161178940]

約数ペア:

[(1, 2161178940), (2, 1080589470), (3, 720392980), (4, 540294735), (5, 432235788), (6, 360196490), (10, 216117894), (12, 180098245), (15, 144078596), (19, 113746260), (20, 108058947), (30, 72039298), (38, 56873130), (57, 37915420), (60, 36019649), (71, 30439140), (76, 28436565), (95, 22749252), (114, 18957710), (142, 15219570), (190, 11374626), (213, 10146380), (228, 9478855), (284, 7609785), (285, 7583084), (355, 6087828), (380, 5687313), (426, 5073190), (570, 3791542), (710, 3043914), (852, 2536595), (1065, 2029276), (1140, 1895771), (1349, 1602060), (1420, 1521957), (2130, 1014638), (2698, 801030), (4047, 534020), (4260, 507319), (5396, 400515), (6745, 320412), (8094, 267010), (13490, 160206), (16188, 133505), (20235, 106804), (26701, 80940), (26980, 80103), (40470, 53402)]