1640972430

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^2\times {\mathrm{2971}}^1$

素因数の和:3039

約数の個数: 144

約数和(自身を含む): 4769382384

約数和(自身を除く): 3128409954

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 17, 18, 19, 30, 34, 38, 45, 51, 57, 85, 90, 95, 102, 114, 153, 170, 171, 190, 255, 285, 306, 323, 342, 361, 510, 570, 646, 722, 765, 855, 969, 1083, 1530, 1615, 1710, 1805, 1938, 2166, 2907, 2971, 3230, 3249, 3610, 4845, 5415, 5814, 5942, 6137, 6498, 8913, 9690, 10830, 12274, 14535, 14855, 16245, 17826, 18411, 26739, 29070, 29710, 30685, 32490, 36822, 44565, 50507, 53478, 55233, 56449, 61370, 89130, 92055, 101014, 110466, 112898, 133695, 151521, 169347, 184110, 252535, 267390, 276165, 282245, 303042, 338694, 454563, 505070, 508041, 552330, 564490, 757605, 846735, 909126, 959633, 1016082, 1072531, 1515210, 1693470, 1919266, 2145062, 2272815, 2540205, 2878899, 3217593, 4545630, 4798165, 5080410, 5362655, 5757798, 6435186, 8636697, 9596330, 9652779, 10725310, 14394495, 16087965, 17273394, 18233027, 19305558, 28788990, 32175930, 36466054, 43183485, 48263895, 54699081, 86366970, 91165135, 96527790, 109398162, 164097243, 182330270, 273495405, 328194486, 546990810, 820486215, 1640972430]

約数ペア:

[(1, 1640972430), (2, 820486215), (3, 546990810), (5, 328194486), (6, 273495405), (9, 182330270), (10, 164097243), (15, 109398162), (17, 96527790), (18, 91165135), (19, 86366970), (30, 54699081), (34, 48263895), (38, 43183485), (45, 36466054), (51, 32175930), (57, 28788990), (85, 19305558), (90, 18233027), (95, 17273394), (102, 16087965), (114, 14394495), (153, 10725310), (170, 9652779), (171, 9596330), (190, 8636697), (255, 6435186), (285, 5757798), (306, 5362655), (323, 5080410), (342, 4798165), (361, 4545630), (510, 3217593), (570, 2878899), (646, 2540205), (722, 2272815), (765, 2145062), (855, 1919266), (969, 1693470), (1083, 1515210), (1530, 1072531), (1615, 1016082), (1710, 959633), (1805, 909126), (1938, 846735), (2166, 757605), (2907, 564490), (2971, 552330), (3230, 508041), (3249, 505070), (3610, 454563), (4845, 338694), (5415, 303042), (5814, 282245), (5942, 276165), (6137, 267390), (6498, 252535), (8913, 184110), (9690, 169347), (10830, 151521), (12274, 133695), (14535, 112898), (14855, 110466), (16245, 101014), (17826, 92055), (18411, 89130), (26739, 61370), (29070, 56449), (29710, 55233), (30685, 53478), (32490, 50507), (36822, 44565)]