1581720

素因数分解:

$2^3\times 3^1\times 5^1\times 7^2\times {\mathrm{269}}^1$

素因数の和:297

約数の個数: 96

約数和(自身を含む): 5540400

約数和(自身を除く): 3958680

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 49, 56, 60, 70, 84, 98, 105, 120, 140, 147, 168, 196, 210, 245, 269, 280, 294, 392, 420, 490, 538, 588, 735, 807, 840, 980, 1076, 1176, 1345, 1470, 1614, 1883, 1960, 2152, 2690, 2940, 3228, 3766, 4035, 5380, 5649, 5880, 6456, 7532, 8070, 9415, 10760, 11298, 13181, 15064, 16140, 18830, 22596, 26362, 28245, 32280, 37660, 39543, 45192, 52724, 56490, 65905, 75320, 79086, 105448, 112980, 131810, 158172, 197715, 225960, 263620, 316344, 395430, 527240, 790860, 1581720]

約数ペア:

[(1, 1581720), (2, 790860), (3, 527240), (4, 395430), (5, 316344), (6, 263620), (7, 225960), (8, 197715), (10, 158172), (12, 131810), (14, 112980), (15, 105448), (20, 79086), (21, 75320), (24, 65905), (28, 56490), (30, 52724), (35, 45192), (40, 39543), (42, 37660), (49, 32280), (56, 28245), (60, 26362), (70, 22596), (84, 18830), (98, 16140), (105, 15064), (120, 13181), (140, 11298), (147, 10760), (168, 9415), (196, 8070), (210, 7532), (245, 6456), (269, 5880), (280, 5649), (294, 5380), (392, 4035), (420, 3766), (490, 3228), (538, 2940), (588, 2690), (735, 2152), (807, 1960), (840, 1883), (980, 1614), (1076, 1470), (1176, 1345)]