40174740

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{691}}^1$

素因数の和:742

約数の個数: 144

約数和(自身を含む): 136019520

約数和(自身を除く): 95844780

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 17, 18, 19, 20, 30, 34, 36, 38, 45, 51, 57, 60, 68, 76, 85, 90, 95, 102, 114, 153, 170, 171, 180, 190, 204, 228, 255, 285, 306, 323, 340, 342, 380, 510, 570, 612, 646, 684, 691, 765, 855, 969, 1020, 1140, 1292, 1382, 1530, 1615, 1710, 1938, 2073, 2764, 2907, 3060, 3230, 3420, 3455, 3876, 4146, 4845, 5814, 6219, 6460, 6910, 8292, 9690, 10365, 11628, 11747, 12438, 13129, 13820, 14535, 19380, 20730, 23494, 24876, 26258, 29070, 31095, 35241, 39387, 41460, 46988, 52516, 58140, 58735, 62190, 65645, 70482, 78774, 105723, 117470, 118161, 124380, 131290, 140964, 157548, 176205, 196935, 211446, 223193, 234940, 236322, 262580, 352410, 393870, 422892, 446386, 472644, 528615, 590805, 669579, 704820, 787740, 892772, 1057230, 1115965, 1181610, 1339158, 2008737, 2114460, 2231930, 2363220, 2678316, 3347895, 4017474, 4463860, 6695790, 8034948, 10043685, 13391580, 20087370, 40174740]

約数ペア:

[(1, 40174740), (2, 20087370), (3, 13391580), (4, 10043685), (5, 8034948), (6, 6695790), (9, 4463860), (10, 4017474), (12, 3347895), (15, 2678316), (17, 2363220), (18, 2231930), (19, 2114460), (20, 2008737), (30, 1339158), (34, 1181610), (36, 1115965), (38, 1057230), (45, 892772), (51, 787740), (57, 704820), (60, 669579), (68, 590805), (76, 528615), (85, 472644), (90, 446386), (95, 422892), (102, 393870), (114, 352410), (153, 262580), (170, 236322), (171, 234940), (180, 223193), (190, 211446), (204, 196935), (228, 176205), (255, 157548), (285, 140964), (306, 131290), (323, 124380), (340, 118161), (342, 117470), (380, 105723), (510, 78774), (570, 70482), (612, 65645), (646, 62190), (684, 58735), (691, 58140), (765, 52516), (855, 46988), (969, 41460), (1020, 39387), (1140, 35241), (1292, 31095), (1382, 29070), (1530, 26258), (1615, 24876), (1710, 23494), (1938, 20730), (2073, 19380), (2764, 14535), (2907, 13820), (3060, 13129), (3230, 12438), (3420, 11747), (3455, 11628), (3876, 10365), (4146, 9690), (4845, 8292), (5814, 6910), (6219, 6460)]