40641720

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{48383}}^1$

素因数の和:48404

約数の個数: 64

約数和(自身を含む): 139345920

約数和(自身を除く): 98704200

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 840, 48383, 96766, 145149, 193532, 241915, 290298, 338681, 387064, 483830, 580596, 677362, 725745, 967660, 1016043, 1161192, 1354724, 1451490, 1693405, 1935320, 2032086, 2709448, 2902980, 3386810, 4064172, 5080215, 5805960, 6773620, 8128344, 10160430, 13547240, 20320860, 40641720]

約数ペア:

[(1, 40641720), (2, 20320860), (3, 13547240), (4, 10160430), (5, 8128344), (6, 6773620), (7, 5805960), (8, 5080215), (10, 4064172), (12, 3386810), (14, 2902980), (15, 2709448), (20, 2032086), (21, 1935320), (24, 1693405), (28, 1451490), (30, 1354724), (35, 1161192), (40, 1016043), (42, 967660), (56, 725745), (60, 677362), (70, 580596), (84, 483830), (105, 387064), (120, 338681), (140, 290298), (168, 241915), (210, 193532), (280, 145149), (420, 96766), (840, 48383)]