161764860

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{17}}^2\times {\mathrm{19}}^1\times {\mathrm{491}}^1$

素因数の和:556

約数の個数: 144

約数和(自身を含む): 507507840

約数和(自身を除く): 345742980

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 17, 19, 20, 30, 34, 38, 51, 57, 60, 68, 76, 85, 95, 102, 114, 170, 190, 204, 228, 255, 285, 289, 323, 340, 380, 491, 510, 570, 578, 646, 867, 969, 982, 1020, 1140, 1156, 1292, 1445, 1473, 1615, 1734, 1938, 1964, 2455, 2890, 2946, 3230, 3468, 3876, 4335, 4845, 4910, 5491, 5780, 5892, 6460, 7365, 8347, 8670, 9329, 9690, 9820, 10982, 14730, 16473, 16694, 17340, 18658, 19380, 21964, 25041, 27455, 27987, 29460, 32946, 33388, 37316, 41735, 46645, 50082, 54910, 55974, 65892, 82365, 83470, 93290, 100164, 109820, 111948, 125205, 139935, 141899, 158593, 164730, 166940, 186580, 250410, 279870, 283798, 317186, 329460, 425697, 475779, 500820, 559740, 567596, 634372, 709495, 792965, 851394, 951558, 1418990, 1585930, 1702788, 1903116, 2128485, 2378895, 2696081, 2837980, 3171860, 4256970, 4757790, 5392162, 8088243, 8513940, 9515580, 10784324, 13480405, 16176486, 26960810, 32352972, 40441215, 53921620, 80882430, 161764860]

約数ペア:

[(1, 161764860), (2, 80882430), (3, 53921620), (4, 40441215), (5, 32352972), (6, 26960810), (10, 16176486), (12, 13480405), (15, 10784324), (17, 9515580), (19, 8513940), (20, 8088243), (30, 5392162), (34, 4757790), (38, 4256970), (51, 3171860), (57, 2837980), (60, 2696081), (68, 2378895), (76, 2128485), (85, 1903116), (95, 1702788), (102, 1585930), (114, 1418990), (170, 951558), (190, 851394), (204, 792965), (228, 709495), (255, 634372), (285, 567596), (289, 559740), (323, 500820), (340, 475779), (380, 425697), (491, 329460), (510, 317186), (570, 283798), (578, 279870), (646, 250410), (867, 186580), (969, 166940), (982, 164730), (1020, 158593), (1140, 141899), (1156, 139935), (1292, 125205), (1445, 111948), (1473, 109820), (1615, 100164), (1734, 93290), (1938, 83470), (1964, 82365), (2455, 65892), (2890, 55974), (2946, 54910), (3230, 50082), (3468, 46645), (3876, 41735), (4335, 37316), (4845, 33388), (4910, 32946), (5491, 29460), (5780, 27987), (5892, 27455), (6460, 25041), (7365, 21964), (8347, 19380), (8670, 18658), (9329, 17340), (9690, 16694), (9820, 16473), (10982, 14730)]