1561341720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{684799}}^1$

素因数の和:684832

約数の個数: 64

約数和(自身を含む): 4930560000

約数和(自身を除く): 3369218280

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 19, 20, 24, 30, 38, 40, 57, 60, 76, 95, 114, 120, 152, 190, 228, 285, 380, 456, 570, 760, 1140, 2280, 684799, 1369598, 2054397, 2739196, 3423995, 4108794, 5478392, 6847990, 8217588, 10271985, 13011181, 13695980, 16435176, 20543970, 26022362, 27391960, 39033543, 41087940, 52044724, 65055905, 78067086, 82175880, 104089448, 130111810, 156134172, 195167715, 260223620, 312268344, 390335430, 520447240, 780670860, 1561341720]

約数ペア:

[(1, 1561341720), (2, 780670860), (3, 520447240), (4, 390335430), (5, 312268344), (6, 260223620), (8, 195167715), (10, 156134172), (12, 130111810), (15, 104089448), (19, 82175880), (20, 78067086), (24, 65055905), (30, 52044724), (38, 41087940), (40, 39033543), (57, 27391960), (60, 26022362), (76, 20543970), (95, 16435176), (114, 13695980), (120, 13011181), (152, 10271985), (190, 8217588), (228, 6847990), (285, 5478392), (380, 4108794), (456, 3423995), (570, 2739196), (760, 2054397), (1140, 1369598), (2280, 684799)]