81962010

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{1229}}^1$

素因数の和:1277

約数の個数: 128

約数和(自身を含む): 247968000

約数和(自身を除く): 166005990

約数列:

[1, 2, 3, 5, 6, 9, 10, 13, 15, 18, 19, 26, 27, 30, 38, 39, 45, 54, 57, 65, 78, 90, 95, 114, 117, 130, 135, 171, 190, 195, 234, 247, 270, 285, 342, 351, 390, 494, 513, 570, 585, 702, 741, 855, 1026, 1170, 1229, 1235, 1482, 1710, 1755, 2223, 2458, 2470, 2565, 3510, 3687, 3705, 4446, 5130, 6145, 6669, 7374, 7410, 11061, 11115, 12290, 13338, 15977, 18435, 22122, 22230, 23351, 31954, 33183, 33345, 36870, 46702, 47931, 55305, 66366, 66690, 70053, 79885, 95862, 110610, 116755, 140106, 143793, 159770, 165915, 210159, 233510, 239655, 287586, 303563, 331830, 350265, 420318, 431379, 479310, 607126, 630477, 700530, 718965, 862758, 910689, 1050795, 1260954, 1437930, 1517815, 1821378, 2101590, 2156895, 2732067, 3035630, 3152385, 4313790, 4553445, 5464134, 6304770, 8196201, 9106890, 13660335, 16392402, 27320670, 40981005, 81962010]

約数ペア:

[(1, 81962010), (2, 40981005), (3, 27320670), (5, 16392402), (6, 13660335), (9, 9106890), (10, 8196201), (13, 6304770), (15, 5464134), (18, 4553445), (19, 4313790), (26, 3152385), (27, 3035630), (30, 2732067), (38, 2156895), (39, 2101590), (45, 1821378), (54, 1517815), (57, 1437930), (65, 1260954), (78, 1050795), (90, 910689), (95, 862758), (114, 718965), (117, 700530), (130, 630477), (135, 607126), (171, 479310), (190, 431379), (195, 420318), (234, 350265), (247, 331830), (270, 303563), (285, 287586), (342, 239655), (351, 233510), (390, 210159), (494, 165915), (513, 159770), (570, 143793), (585, 140106), (702, 116755), (741, 110610), (855, 95862), (1026, 79885), (1170, 70053), (1229, 66690), (1235, 66366), (1482, 55305), (1710, 47931), (1755, 46702), (2223, 36870), (2458, 33345), (2470, 33183), (2565, 31954), (3510, 23351), (3687, 22230), (3705, 22122), (4446, 18435), (5130, 15977), (6145, 13338), (6669, 12290), (7374, 11115), (7410, 11061)]