16774720

素因数分解:

$2^6\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{89}}^1$

素因数の和:156

約数の個数: 112

約数和(自身を含む): 43891200

約数和(自身を除く): 27116480

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 31, 32, 38, 40, 62, 64, 76, 80, 89, 95, 124, 152, 155, 160, 178, 190, 248, 304, 310, 320, 356, 380, 445, 496, 589, 608, 620, 712, 760, 890, 992, 1178, 1216, 1240, 1424, 1520, 1691, 1780, 1984, 2356, 2480, 2759, 2848, 2945, 3040, 3382, 3560, 4712, 4960, 5518, 5696, 5890, 6080, 6764, 7120, 8455, 9424, 9920, 11036, 11780, 13528, 13795, 14240, 16910, 18848, 22072, 23560, 27056, 27590, 28480, 33820, 37696, 44144, 47120, 52421, 54112, 55180, 67640, 88288, 94240, 104842, 108224, 110360, 135280, 176576, 188480, 209684, 220720, 262105, 270560, 419368, 441440, 524210, 541120, 838736, 882880, 1048420, 1677472, 2096840, 3354944, 4193680, 8387360, 16774720]

約数ペア:

[(1, 16774720), (2, 8387360), (4, 4193680), (5, 3354944), (8, 2096840), (10, 1677472), (16, 1048420), (19, 882880), (20, 838736), (31, 541120), (32, 524210), (38, 441440), (40, 419368), (62, 270560), (64, 262105), (76, 220720), (80, 209684), (89, 188480), (95, 176576), (124, 135280), (152, 110360), (155, 108224), (160, 104842), (178, 94240), (190, 88288), (248, 67640), (304, 55180), (310, 54112), (320, 52421), (356, 47120), (380, 44144), (445, 37696), (496, 33820), (589, 28480), (608, 27590), (620, 27056), (712, 23560), (760, 22072), (890, 18848), (992, 16910), (1178, 14240), (1216, 13795), (1240, 13528), (1424, 11780), (1520, 11036), (1691, 9920), (1780, 9424), (1984, 8455), (2356, 7120), (2480, 6764), (2759, 6080), (2848, 5890), (2945, 5696), (3040, 5518), (3382, 4960), (3560, 4712)]