11571990

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{541}}^1$

素因数の和:605

約数の個数: 64

約数和(自身を含む): 29970432

約数和(自身を除く): 18398442

約数列:

[1, 2, 3, 5, 6, 10, 15, 23, 30, 31, 46, 62, 69, 93, 115, 138, 155, 186, 230, 310, 345, 465, 541, 690, 713, 930, 1082, 1426, 1623, 2139, 2705, 3246, 3565, 4278, 5410, 7130, 8115, 10695, 12443, 16230, 16771, 21390, 24886, 33542, 37329, 50313, 62215, 74658, 83855, 100626, 124430, 167710, 186645, 251565, 373290, 385733, 503130, 771466, 1157199, 1928665, 2314398, 3857330, 5785995, 11571990]

約数ペア:

[(1, 11571990), (2, 5785995), (3, 3857330), (5, 2314398), (6, 1928665), (10, 1157199), (15, 771466), (23, 503130), (30, 385733), (31, 373290), (46, 251565), (62, 186645), (69, 167710), (93, 124430), (115, 100626), (138, 83855), (155, 74658), (186, 62215), (230, 50313), (310, 37329), (345, 33542), (465, 24886), (541, 21390), (690, 16771), (713, 16230), (930, 12443), (1082, 10695), (1426, 8115), (1623, 7130), (2139, 5410), (2705, 4278), (3246, 3565)]