1328608440

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{64747}}^1$

素因数の和:64786

約数の個数: 128

約数和(自身を含む): 4661856000

約数和(自身を除く): 3333247560

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 19, 20, 24, 27, 30, 36, 38, 40, 45, 54, 57, 60, 72, 76, 90, 95, 108, 114, 120, 135, 152, 171, 180, 190, 216, 228, 270, 285, 342, 360, 380, 456, 513, 540, 570, 684, 760, 855, 1026, 1080, 1140, 1368, 1710, 2052, 2280, 2565, 3420, 4104, 5130, 6840, 10260, 20520, 64747, 129494, 194241, 258988, 323735, 388482, 517976, 582723, 647470, 776964, 971205, 1165446, 1230193, 1294940, 1553928, 1748169, 1942410, 2330892, 2460386, 2589880, 2913615, 3496338, 3690579, 3884820, 4661784, 4920772, 5827230, 6150965, 6992676, 7381158, 7769640, 8740845, 9841544, 11071737, 11654460, 12301930, 13985352, 14762316, 17481690, 18452895, 22143474, 23308920, 24603860, 29524632, 33215211, 34963380, 36905790, 44286948, 49207720, 55358685, 66430422, 69926760, 73811580, 88573896, 110717370, 132860844, 147623160, 166076055, 221434740, 265721688, 332152110, 442869480, 664304220, 1328608440]

約数ペア:

[(1, 1328608440), (2, 664304220), (3, 442869480), (4, 332152110), (5, 265721688), (6, 221434740), (8, 166076055), (9, 147623160), (10, 132860844), (12, 110717370), (15, 88573896), (18, 73811580), (19, 69926760), (20, 66430422), (24, 55358685), (27, 49207720), (30, 44286948), (36, 36905790), (38, 34963380), (40, 33215211), (45, 29524632), (54, 24603860), (57, 23308920), (60, 22143474), (72, 18452895), (76, 17481690), (90, 14762316), (95, 13985352), (108, 12301930), (114, 11654460), (120, 11071737), (135, 9841544), (152, 8740845), (171, 7769640), (180, 7381158), (190, 6992676), (216, 6150965), (228, 5827230), (270, 4920772), (285, 4661784), (342, 3884820), (360, 3690579), (380, 3496338), (456, 2913615), (513, 2589880), (540, 2460386), (570, 2330892), (684, 1942410), (760, 1748169), (855, 1553928), (1026, 1294940), (1080, 1230193), (1140, 1165446), (1368, 971205), (1710, 776964), (2052, 647470), (2280, 582723), (2565, 517976), (3420, 388482), (4104, 323735), (5130, 258988), (6840, 194241), (10260, 129494), (20520, 64747)]