399683760

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{3259}}^1$

素因数の和:3355

約数の個数: 160

約数和(自身を含む): 1435860480

約数和(自身を除く): 1036176720

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 56, 60, 70, 73, 80, 84, 105, 112, 120, 140, 146, 168, 210, 219, 240, 280, 292, 336, 365, 420, 438, 511, 560, 584, 730, 840, 876, 1022, 1095, 1168, 1460, 1533, 1680, 1752, 2044, 2190, 2555, 2920, 3066, 3259, 3504, 4088, 4380, 5110, 5840, 6132, 6518, 7665, 8176, 8760, 9777, 10220, 12264, 13036, 15330, 16295, 17520, 19554, 20440, 22813, 24528, 26072, 30660, 32590, 39108, 40880, 45626, 48885, 52144, 61320, 65180, 68439, 78216, 91252, 97770, 114065, 122640, 130360, 136878, 156432, 182504, 195540, 228130, 237907, 260720, 273756, 342195, 365008, 391080, 456260, 475814, 547512, 684390, 713721, 782160, 912520, 951628, 1095024, 1189535, 1368780, 1427442, 1665349, 1825040, 1903256, 2379070, 2737560, 2854884, 3330698, 3568605, 3806512, 4758140, 4996047, 5475120, 5709768, 6661396, 7137210, 8326745, 9516280, 9992094, 11419536, 13322792, 14274420, 16653490, 19032560, 19984188, 24980235, 26645584, 28548840, 33306980, 39968376, 49960470, 57097680, 66613960, 79936752, 99920940, 133227920, 199841880, 399683760]

約数ペア:

[(1, 399683760), (2, 199841880), (3, 133227920), (4, 99920940), (5, 79936752), (6, 66613960), (7, 57097680), (8, 49960470), (10, 39968376), (12, 33306980), (14, 28548840), (15, 26645584), (16, 24980235), (20, 19984188), (21, 19032560), (24, 16653490), (28, 14274420), (30, 13322792), (35, 11419536), (40, 9992094), (42, 9516280), (48, 8326745), (56, 7137210), (60, 6661396), (70, 5709768), (73, 5475120), (80, 4996047), (84, 4758140), (105, 3806512), (112, 3568605), (120, 3330698), (140, 2854884), (146, 2737560), (168, 2379070), (210, 1903256), (219, 1825040), (240, 1665349), (280, 1427442), (292, 1368780), (336, 1189535), (365, 1095024), (420, 951628), (438, 912520), (511, 782160), (560, 713721), (584, 684390), (730, 547512), (840, 475814), (876, 456260), (1022, 391080), (1095, 365008), (1168, 342195), (1460, 273756), (1533, 260720), (1680, 237907), (1752, 228130), (2044, 195540), (2190, 182504), (2555, 156432), (2920, 136878), (3066, 130360), (3259, 122640), (3504, 114065), (4088, 97770), (4380, 91252), (5110, 78216), (5840, 68439), (6132, 65180), (6518, 61320), (7665, 52144), (8176, 48885), (8760, 45626), (9777, 40880), (10220, 39108), (12264, 32590), (13036, 30660), (15330, 26072), (16295, 24528), (17520, 22813), (19554, 20440)]