66999900

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{257}}^1$

素因数の和:364

約数の個数: 144

約数和(自身を含む): 214986240

約数和(自身を除く): 147986340

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 15, 20, 22, 25, 30, 33, 44, 50, 55, 60, 66, 75, 79, 100, 110, 132, 150, 158, 165, 220, 237, 257, 275, 300, 316, 330, 395, 474, 514, 550, 660, 771, 790, 825, 869, 948, 1028, 1100, 1185, 1285, 1542, 1580, 1650, 1738, 1975, 2370, 2570, 2607, 2827, 3084, 3300, 3476, 3855, 3950, 4345, 4740, 5140, 5214, 5654, 5925, 6425, 7710, 7900, 8481, 8690, 10428, 11308, 11850, 12850, 13035, 14135, 15420, 16962, 17380, 19275, 20303, 21725, 23700, 25700, 26070, 28270, 33924, 38550, 40606, 42405, 43450, 52140, 56540, 60909, 65175, 70675, 77100, 81212, 84810, 86900, 101515, 121818, 130350, 141350, 169620, 203030, 212025, 223333, 243636, 260700, 282700, 304545, 406060, 424050, 446666, 507575, 609090, 669999, 848100, 893332, 1015150, 1116665, 1218180, 1339998, 1522725, 2030300, 2233330, 2679996, 3045450, 3349995, 4466660, 5583325, 6090900, 6699990, 11166650, 13399980, 16749975, 22333300, 33499950, 66999900]

約数ペア:

[(1, 66999900), (2, 33499950), (3, 22333300), (4, 16749975), (5, 13399980), (6, 11166650), (10, 6699990), (11, 6090900), (12, 5583325), (15, 4466660), (20, 3349995), (22, 3045450), (25, 2679996), (30, 2233330), (33, 2030300), (44, 1522725), (50, 1339998), (55, 1218180), (60, 1116665), (66, 1015150), (75, 893332), (79, 848100), (100, 669999), (110, 609090), (132, 507575), (150, 446666), (158, 424050), (165, 406060), (220, 304545), (237, 282700), (257, 260700), (275, 243636), (300, 223333), (316, 212025), (330, 203030), (395, 169620), (474, 141350), (514, 130350), (550, 121818), (660, 101515), (771, 86900), (790, 84810), (825, 81212), (869, 77100), (948, 70675), (1028, 65175), (1100, 60909), (1185, 56540), (1285, 52140), (1542, 43450), (1580, 42405), (1650, 40606), (1738, 38550), (1975, 33924), (2370, 28270), (2570, 26070), (2607, 25700), (2827, 23700), (3084, 21725), (3300, 20303), (3476, 19275), (3855, 17380), (3950, 16962), (4345, 15420), (4740, 14135), (5140, 13035), (5214, 12850), (5654, 11850), (5925, 11308), (6425, 10428), (7710, 8690), (7900, 8481)]