72851870

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{223}}^1\times {\mathrm{359}}^1$

素因数の和:609

約数の個数: 64

約数和(自身を含む): 162570240

約数和(自身を除く): 89718370

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 35, 65, 70, 91, 130, 182, 223, 359, 446, 455, 718, 910, 1115, 1561, 1795, 2230, 2513, 2899, 3122, 3590, 4667, 5026, 5798, 7805, 9334, 12565, 14495, 15610, 20293, 23335, 25130, 28990, 32669, 40586, 46670, 65338, 80057, 101465, 160114, 163345, 202930, 326690, 400285, 560399, 800570, 1040741, 1120798, 2081482, 2801995, 5203705, 5603990, 7285187, 10407410, 14570374, 36425935, 72851870]

約数ペア:

[(1, 72851870), (2, 36425935), (5, 14570374), (7, 10407410), (10, 7285187), (13, 5603990), (14, 5203705), (26, 2801995), (35, 2081482), (65, 1120798), (70, 1040741), (91, 800570), (130, 560399), (182, 400285), (223, 326690), (359, 202930), (446, 163345), (455, 160114), (718, 101465), (910, 80057), (1115, 65338), (1561, 46670), (1795, 40586), (2230, 32669), (2513, 28990), (2899, 25130), (3122, 23335), (3590, 20293), (4667, 15610), (5026, 14495), (5798, 12565), (7805, 9334)]