28374080

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{239}}^1$

素因数の和:316

約数の個数: 112

約数和(自身を含む): 79004160

約数和(自身を除く): 50630080

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 53, 56, 64, 70, 80, 106, 112, 140, 160, 212, 224, 239, 265, 280, 320, 371, 424, 448, 478, 530, 560, 742, 848, 956, 1060, 1120, 1195, 1484, 1673, 1696, 1855, 1912, 2120, 2240, 2390, 2968, 3346, 3392, 3710, 3824, 4240, 4780, 5936, 6692, 7420, 7648, 8365, 8480, 9560, 11872, 12667, 13384, 14840, 15296, 16730, 16960, 19120, 23744, 25334, 26768, 29680, 33460, 38240, 50668, 53536, 59360, 63335, 66920, 76480, 88669, 101336, 107072, 118720, 126670, 133840, 177338, 202672, 253340, 267680, 354676, 405344, 443345, 506680, 535360, 709352, 810688, 886690, 1013360, 1418704, 1773380, 2026720, 2837408, 3546760, 4053440, 5674816, 7093520, 14187040, 28374080]

約数ペア:

[(1, 28374080), (2, 14187040), (4, 7093520), (5, 5674816), (7, 4053440), (8, 3546760), (10, 2837408), (14, 2026720), (16, 1773380), (20, 1418704), (28, 1013360), (32, 886690), (35, 810688), (40, 709352), (53, 535360), (56, 506680), (64, 443345), (70, 405344), (80, 354676), (106, 267680), (112, 253340), (140, 202672), (160, 177338), (212, 133840), (224, 126670), (239, 118720), (265, 107072), (280, 101336), (320, 88669), (371, 76480), (424, 66920), (448, 63335), (478, 59360), (530, 53536), (560, 50668), (742, 38240), (848, 33460), (956, 29680), (1060, 26768), (1120, 25334), (1195, 23744), (1484, 19120), (1673, 16960), (1696, 16730), (1855, 15296), (1912, 14840), (2120, 13384), (2240, 12667), (2390, 11872), (2968, 9560), (3346, 8480), (3392, 8365), (3710, 7648), (3824, 7420), (4240, 6692), (4780, 5936)]