318609480

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{19963}}^1$

素因数の和:20003

約数の個数: 128

約数和(自身を含む): 1149926400

約数和(自身を除く): 831316920

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 19, 20, 21, 24, 28, 30, 35, 38, 40, 42, 56, 57, 60, 70, 76, 84, 95, 105, 114, 120, 133, 140, 152, 168, 190, 210, 228, 266, 280, 285, 380, 399, 420, 456, 532, 570, 665, 760, 798, 840, 1064, 1140, 1330, 1596, 1995, 2280, 2660, 3192, 3990, 5320, 7980, 15960, 19963, 39926, 59889, 79852, 99815, 119778, 139741, 159704, 199630, 239556, 279482, 299445, 379297, 399260, 419223, 479112, 558964, 598890, 698705, 758594, 798520, 838446, 1117928, 1137891, 1197780, 1397410, 1517188, 1676892, 1896485, 2096115, 2275782, 2395560, 2655079, 2794820, 3034376, 3353784, 3792970, 4192230, 4551564, 5310158, 5589640, 5689455, 7585940, 7965237, 8384460, 9103128, 10620316, 11378910, 13275395, 15171880, 15930474, 16768920, 21240632, 22757820, 26550790, 31860948, 39826185, 45515640, 53101580, 63721896, 79652370, 106203160, 159304740, 318609480]

約数ペア:

[(1, 318609480), (2, 159304740), (3, 106203160), (4, 79652370), (5, 63721896), (6, 53101580), (7, 45515640), (8, 39826185), (10, 31860948), (12, 26550790), (14, 22757820), (15, 21240632), (19, 16768920), (20, 15930474), (21, 15171880), (24, 13275395), (28, 11378910), (30, 10620316), (35, 9103128), (38, 8384460), (40, 7965237), (42, 7585940), (56, 5689455), (57, 5589640), (60, 5310158), (70, 4551564), (76, 4192230), (84, 3792970), (95, 3353784), (105, 3034376), (114, 2794820), (120, 2655079), (133, 2395560), (140, 2275782), (152, 2096115), (168, 1896485), (190, 1676892), (210, 1517188), (228, 1397410), (266, 1197780), (280, 1137891), (285, 1117928), (380, 838446), (399, 798520), (420, 758594), (456, 698705), (532, 598890), (570, 558964), (665, 479112), (760, 419223), (798, 399260), (840, 379297), (1064, 299445), (1140, 279482), (1330, 239556), (1596, 199630), (1995, 159704), (2280, 139741), (2660, 119778), (3192, 99815), (3990, 79852), (5320, 59889), (7980, 39926), (15960, 19963)]