421532480

素因数分解:

$2^6\times 5^1\times {\mathrm{19}}^2\times {\mathrm{41}}^1\times {\mathrm{89}}^1$

素因数の和:185

約数の個数: 168

約数和(自身を含む): 1097417160

約数和(自身を除く): 675884680

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 41, 64, 76, 80, 82, 89, 95, 152, 160, 164, 178, 190, 205, 304, 320, 328, 356, 361, 380, 410, 445, 608, 656, 712, 722, 760, 779, 820, 890, 1216, 1312, 1424, 1444, 1520, 1558, 1640, 1691, 1780, 1805, 2624, 2848, 2888, 3040, 3116, 3280, 3382, 3560, 3610, 3649, 3895, 5696, 5776, 6080, 6232, 6560, 6764, 7120, 7220, 7298, 7790, 8455, 11552, 12464, 13120, 13528, 14240, 14440, 14596, 14801, 15580, 16910, 18245, 23104, 24928, 27056, 28480, 28880, 29192, 29602, 31160, 32129, 33820, 36490, 49856, 54112, 57760, 58384, 59204, 62320, 64258, 67640, 69331, 72980, 74005, 108224, 115520, 116768, 118408, 124640, 128516, 135280, 138662, 145960, 148010, 160645, 233536, 236816, 249280, 257032, 270560, 277324, 291920, 296020, 321290, 346655, 473632, 514064, 541120, 554648, 583840, 592040, 642580, 693310, 947264, 1028128, 1109296, 1167680, 1184080, 1285160, 1317289, 1386620, 2056256, 2218592, 2368160, 2570320, 2634578, 2773240, 4437184, 4736320, 5140640, 5269156, 5546480, 6586445, 10281280, 10538312, 11092960, 13172890, 21076624, 22185920, 26345780, 42153248, 52691560, 84306496, 105383120, 210766240, 421532480]

約数ペア:

[(1, 421532480), (2, 210766240), (4, 105383120), (5, 84306496), (8, 52691560), (10, 42153248), (16, 26345780), (19, 22185920), (20, 21076624), (32, 13172890), (38, 11092960), (40, 10538312), (41, 10281280), (64, 6586445), (76, 5546480), (80, 5269156), (82, 5140640), (89, 4736320), (95, 4437184), (152, 2773240), (160, 2634578), (164, 2570320), (178, 2368160), (190, 2218592), (205, 2056256), (304, 1386620), (320, 1317289), (328, 1285160), (356, 1184080), (361, 1167680), (380, 1109296), (410, 1028128), (445, 947264), (608, 693310), (656, 642580), (712, 592040), (722, 583840), (760, 554648), (779, 541120), (820, 514064), (890, 473632), (1216, 346655), (1312, 321290), (1424, 296020), (1444, 291920), (1520, 277324), (1558, 270560), (1640, 257032), (1691, 249280), (1780, 236816), (1805, 233536), (2624, 160645), (2848, 148010), (2888, 145960), (3040, 138662), (3116, 135280), (3280, 128516), (3382, 124640), (3560, 118408), (3610, 116768), (3649, 115520), (3895, 108224), (5696, 74005), (5776, 72980), (6080, 69331), (6232, 67640), (6560, 64258), (6764, 62320), (7120, 59204), (7220, 58384), (7298, 57760), (7790, 54112), (8455, 49856), (11552, 36490), (12464, 33820), (13120, 32129), (13528, 31160), (14240, 29602), (14440, 29192), (14596, 28880), (14801, 28480), (15580, 27056), (16910, 24928), (18245, 23104)]