12913980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{131}}^1$

素因数の和:227

約数の個数: 96

約数和(自身を含む): 38320128

約数和(自身を除く): 25406148

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 31, 53, 60, 62, 93, 106, 124, 131, 155, 159, 186, 212, 262, 265, 310, 318, 372, 393, 465, 524, 530, 620, 636, 655, 786, 795, 930, 1060, 1310, 1572, 1590, 1643, 1860, 1965, 2620, 3180, 3286, 3930, 4061, 4929, 6572, 6943, 7860, 8122, 8215, 9858, 12183, 13886, 16244, 16430, 19716, 20305, 20829, 24366, 24645, 27772, 32860, 34715, 40610, 41658, 48732, 49290, 60915, 69430, 81220, 83316, 98580, 104145, 121830, 138860, 208290, 215233, 243660, 416580, 430466, 645699, 860932, 1076165, 1291398, 2152330, 2582796, 3228495, 4304660, 6456990, 12913980]

約数ペア:

[(1, 12913980), (2, 6456990), (3, 4304660), (4, 3228495), (5, 2582796), (6, 2152330), (10, 1291398), (12, 1076165), (15, 860932), (20, 645699), (30, 430466), (31, 416580), (53, 243660), (60, 215233), (62, 208290), (93, 138860), (106, 121830), (124, 104145), (131, 98580), (155, 83316), (159, 81220), (186, 69430), (212, 60915), (262, 49290), (265, 48732), (310, 41658), (318, 40610), (372, 34715), (393, 32860), (465, 27772), (524, 24645), (530, 24366), (620, 20829), (636, 20305), (655, 19716), (786, 16430), (795, 16244), (930, 13886), (1060, 12183), (1310, 9858), (1572, 8215), (1590, 8122), (1643, 7860), (1860, 6943), (1965, 6572), (2620, 4929), (3180, 4061), (3286, 3930)]