71043320

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{53}}^1$

素因数の和:165

約数の個数: 128

約数和(自身を含む): 179159040

約数和(自身を除く): 108115720

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 31, 40, 46, 47, 53, 62, 92, 94, 106, 115, 124, 155, 184, 188, 212, 230, 235, 248, 265, 310, 376, 424, 460, 470, 530, 620, 713, 920, 940, 1060, 1081, 1219, 1240, 1426, 1457, 1643, 1880, 2120, 2162, 2438, 2491, 2852, 2914, 3286, 3565, 4324, 4876, 4982, 5405, 5704, 5828, 6095, 6572, 7130, 7285, 8215, 8648, 9752, 9964, 10810, 11656, 12190, 12455, 13144, 14260, 14570, 16430, 19928, 21620, 24380, 24910, 28520, 29140, 32860, 33511, 37789, 43240, 48760, 49820, 57293, 58280, 65720, 67022, 75578, 77221, 99640, 114586, 134044, 151156, 154442, 167555, 188945, 229172, 268088, 286465, 302312, 308884, 335110, 377890, 386105, 458344, 572930, 617768, 670220, 755780, 772210, 1145860, 1340440, 1511560, 1544420, 1776083, 2291720, 3088840, 3552166, 7104332, 8880415, 14208664, 17760830, 35521660, 71043320]

約数ペア:

[(1, 71043320), (2, 35521660), (4, 17760830), (5, 14208664), (8, 8880415), (10, 7104332), (20, 3552166), (23, 3088840), (31, 2291720), (40, 1776083), (46, 1544420), (47, 1511560), (53, 1340440), (62, 1145860), (92, 772210), (94, 755780), (106, 670220), (115, 617768), (124, 572930), (155, 458344), (184, 386105), (188, 377890), (212, 335110), (230, 308884), (235, 302312), (248, 286465), (265, 268088), (310, 229172), (376, 188945), (424, 167555), (460, 154442), (470, 151156), (530, 134044), (620, 114586), (713, 99640), (920, 77221), (940, 75578), (1060, 67022), (1081, 65720), (1219, 58280), (1240, 57293), (1426, 49820), (1457, 48760), (1643, 43240), (1880, 37789), (2120, 33511), (2162, 32860), (2438, 29140), (2491, 28520), (2852, 24910), (2914, 24380), (3286, 21620), (3565, 19928), (4324, 16430), (4876, 14570), (4982, 14260), (5405, 13144), (5704, 12455), (5828, 12190), (6095, 11656), (6572, 10810), (7130, 9964), (7285, 9752), (8215, 8648)]