31415160

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{149}}^1\times {\mathrm{251}}^1$

素因数の和:421

約数の個数: 128

約数和(自身を含む): 108864000

約数和(自身を除く): 77448840

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 149, 168, 210, 251, 280, 298, 420, 447, 502, 596, 745, 753, 840, 894, 1004, 1043, 1192, 1255, 1490, 1506, 1757, 1788, 2008, 2086, 2235, 2510, 2980, 3012, 3129, 3514, 3576, 3765, 4172, 4470, 5020, 5215, 5271, 5960, 6024, 6258, 7028, 7530, 8344, 8785, 8940, 10040, 10430, 10542, 12516, 14056, 15060, 15645, 17570, 17880, 20860, 21084, 25032, 26355, 30120, 31290, 35140, 37399, 41720, 42168, 52710, 62580, 70280, 74798, 105420, 112197, 125160, 149596, 186995, 210840, 224394, 261793, 299192, 373990, 448788, 523586, 560985, 747980, 785379, 897576, 1047172, 1121970, 1308965, 1495960, 1570758, 2094344, 2243940, 2617930, 3141516, 3926895, 4487880, 5235860, 6283032, 7853790, 10471720, 15707580, 31415160]

約数ペア:

[(1, 31415160), (2, 15707580), (3, 10471720), (4, 7853790), (5, 6283032), (6, 5235860), (7, 4487880), (8, 3926895), (10, 3141516), (12, 2617930), (14, 2243940), (15, 2094344), (20, 1570758), (21, 1495960), (24, 1308965), (28, 1121970), (30, 1047172), (35, 897576), (40, 785379), (42, 747980), (56, 560985), (60, 523586), (70, 448788), (84, 373990), (105, 299192), (120, 261793), (140, 224394), (149, 210840), (168, 186995), (210, 149596), (251, 125160), (280, 112197), (298, 105420), (420, 74798), (447, 70280), (502, 62580), (596, 52710), (745, 42168), (753, 41720), (840, 37399), (894, 35140), (1004, 31290), (1043, 30120), (1192, 26355), (1255, 25032), (1490, 21084), (1506, 20860), (1757, 17880), (1788, 17570), (2008, 15645), (2086, 15060), (2235, 14056), (2510, 12516), (2980, 10542), (3012, 10430), (3129, 10040), (3514, 8940), (3576, 8785), (3765, 8344), (4172, 7530), (4470, 7028), (5020, 6258), (5215, 6024), (5271, 5960)]