390171840

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{21391}}^1$

素因数の和:21430

約数の個数: 112

約数和(自身を含む): 1304056320

約数和(自身を除く): 913884480

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 19, 20, 24, 30, 32, 38, 40, 48, 57, 60, 64, 76, 80, 95, 96, 114, 120, 152, 160, 190, 192, 228, 240, 285, 304, 320, 380, 456, 480, 570, 608, 760, 912, 960, 1140, 1216, 1520, 1824, 2280, 3040, 3648, 4560, 6080, 9120, 18240, 21391, 42782, 64173, 85564, 106955, 128346, 171128, 213910, 256692, 320865, 342256, 406429, 427820, 513384, 641730, 684512, 812858, 855640, 1026768, 1219287, 1283460, 1369024, 1625716, 1711280, 2032145, 2053536, 2438574, 2566920, 3251432, 3422560, 4064290, 4107072, 4877148, 5133840, 6096435, 6502864, 6845120, 8128580, 9754296, 10267680, 12192870, 13005728, 16257160, 19508592, 20535360, 24385740, 26011456, 32514320, 39017184, 48771480, 65028640, 78034368, 97542960, 130057280, 195085920, 390171840]

約数ペア:

[(1, 390171840), (2, 195085920), (3, 130057280), (4, 97542960), (5, 78034368), (6, 65028640), (8, 48771480), (10, 39017184), (12, 32514320), (15, 26011456), (16, 24385740), (19, 20535360), (20, 19508592), (24, 16257160), (30, 13005728), (32, 12192870), (38, 10267680), (40, 9754296), (48, 8128580), (57, 6845120), (60, 6502864), (64, 6096435), (76, 5133840), (80, 4877148), (95, 4107072), (96, 4064290), (114, 3422560), (120, 3251432), (152, 2566920), (160, 2438574), (190, 2053536), (192, 2032145), (228, 1711280), (240, 1625716), (285, 1369024), (304, 1283460), (320, 1219287), (380, 1026768), (456, 855640), (480, 812858), (570, 684512), (608, 641730), (760, 513384), (912, 427820), (960, 406429), (1140, 342256), (1216, 320865), (1520, 256692), (1824, 213910), (2280, 171128), (3040, 128346), (3648, 106955), (4560, 85564), (6080, 64173), (9120, 42782), (18240, 21391)]