488885880

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{409}}^1\times {\mathrm{1423}}^1$

素因数の和:1853

約数の個数: 128

約数和(自身を含む): 1681459200

約数和(自身を除く): 1192573320

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, 409, 420, 818, 840, 1227, 1423, 1636, 2045, 2454, 2846, 2863, 3272, 4090, 4269, 4908, 5692, 5726, 6135, 7115, 8180, 8538, 8589, 9816, 9961, 11384, 11452, 12270, 14230, 14315, 16360, 17076, 17178, 19922, 21345, 22904, 24540, 28460, 28630, 29883, 34152, 34356, 39844, 42690, 42945, 49080, 49805, 56920, 57260, 59766, 68712, 79688, 85380, 85890, 99610, 114520, 119532, 149415, 170760, 171780, 199220, 239064, 298830, 343560, 398440, 582007, 597660, 1164014, 1195320, 1746021, 2328028, 2910035, 3492042, 4074049, 4656056, 5820070, 6984084, 8148098, 8730105, 11640140, 12222147, 13968168, 16296196, 17460210, 20370245, 23280280, 24444294, 32592392, 34920420, 40740490, 48888588, 61110735, 69840840, 81480980, 97777176, 122221470, 162961960, 244442940, 488885880]

約数ペア:

[(1, 488885880), (2, 244442940), (3, 162961960), (4, 122221470), (5, 97777176), (6, 81480980), (7, 69840840), (8, 61110735), (10, 48888588), (12, 40740490), (14, 34920420), (15, 32592392), (20, 24444294), (21, 23280280), (24, 20370245), (28, 17460210), (30, 16296196), (35, 13968168), (40, 12222147), (42, 11640140), (56, 8730105), (60, 8148098), (70, 6984084), (84, 5820070), (105, 4656056), (120, 4074049), (140, 3492042), (168, 2910035), (210, 2328028), (280, 1746021), (409, 1195320), (420, 1164014), (818, 597660), (840, 582007), (1227, 398440), (1423, 343560), (1636, 298830), (2045, 239064), (2454, 199220), (2846, 171780), (2863, 170760), (3272, 149415), (4090, 119532), (4269, 114520), (4908, 99610), (5692, 85890), (5726, 85380), (6135, 79688), (7115, 68712), (8180, 59766), (8538, 57260), (8589, 56920), (9816, 49805), (9961, 49080), (11384, 42945), (11452, 42690), (12270, 39844), (14230, 34356), (14315, 34152), (16360, 29883), (17076, 28630), (17178, 28460), (19922, 24540), (21345, 22904)]