71611290

素因数分解:

$2^1\times 3^4\times 5^1\times {\mathrm{211}}^1\times {\mathrm{419}}^1$

素因数の和:649

約数の個数: 80

約数和(自身を含む): 193929120

約数和(自身を除く): 122317830

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 81, 90, 135, 162, 211, 270, 405, 419, 422, 633, 810, 838, 1055, 1257, 1266, 1899, 2095, 2110, 2514, 3165, 3771, 3798, 4190, 5697, 6285, 6330, 7542, 9495, 11313, 11394, 12570, 17091, 18855, 18990, 22626, 28485, 33939, 34182, 37710, 56565, 56970, 67878, 85455, 88409, 113130, 169695, 170910, 176818, 265227, 339390, 442045, 530454, 795681, 884090, 1326135, 1591362, 2387043, 2652270, 3978405, 4774086, 7161129, 7956810, 11935215, 14322258, 23870430, 35805645, 71611290]

約数ペア:

[(1, 71611290), (2, 35805645), (3, 23870430), (5, 14322258), (6, 11935215), (9, 7956810), (10, 7161129), (15, 4774086), (18, 3978405), (27, 2652270), (30, 2387043), (45, 1591362), (54, 1326135), (81, 884090), (90, 795681), (135, 530454), (162, 442045), (211, 339390), (270, 265227), (405, 176818), (419, 170910), (422, 169695), (633, 113130), (810, 88409), (838, 85455), (1055, 67878), (1257, 56970), (1266, 56565), (1899, 37710), (2095, 34182), (2110, 33939), (2514, 28485), (3165, 22626), (3771, 18990), (3798, 18855), (4190, 17091), (5697, 12570), (6285, 11394), (6330, 11313), (7542, 9495)]