1814120

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1$

素因数の和:79

約数の個数: 128

約数和(自身を含む): 5529600

約数和(自身を除く): 3715480

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 19, 20, 22, 28, 31, 35, 38, 40, 44, 55, 56, 62, 70, 76, 77, 88, 95, 110, 124, 133, 140, 152, 154, 155, 190, 209, 217, 220, 248, 266, 280, 308, 310, 341, 380, 385, 418, 434, 440, 532, 589, 616, 620, 665, 682, 760, 770, 836, 868, 1045, 1064, 1085, 1178, 1240, 1330, 1364, 1463, 1540, 1672, 1705, 1736, 2090, 2170, 2356, 2387, 2660, 2728, 2926, 2945, 3080, 3410, 4123, 4180, 4340, 4712, 4774, 5320, 5852, 5890, 6479, 6820, 7315, 8246, 8360, 8680, 9548, 11704, 11780, 11935, 12958, 13640, 14630, 16492, 19096, 20615, 23560, 23870, 25916, 29260, 32395, 32984, 41230, 45353, 47740, 51832, 58520, 64790, 82460, 90706, 95480, 129580, 164920, 181412, 226765, 259160, 362824, 453530, 907060, 1814120]

約数ペア:

[(1, 1814120), (2, 907060), (4, 453530), (5, 362824), (7, 259160), (8, 226765), (10, 181412), (11, 164920), (14, 129580), (19, 95480), (20, 90706), (22, 82460), (28, 64790), (31, 58520), (35, 51832), (38, 47740), (40, 45353), (44, 41230), (55, 32984), (56, 32395), (62, 29260), (70, 25916), (76, 23870), (77, 23560), (88, 20615), (95, 19096), (110, 16492), (124, 14630), (133, 13640), (140, 12958), (152, 11935), (154, 11780), (155, 11704), (190, 9548), (209, 8680), (217, 8360), (220, 8246), (248, 7315), (266, 6820), (280, 6479), (308, 5890), (310, 5852), (341, 5320), (380, 4774), (385, 4712), (418, 4340), (434, 4180), (440, 4123), (532, 3410), (589, 3080), (616, 2945), (620, 2926), (665, 2728), (682, 2660), (760, 2387), (770, 2356), (836, 2170), (868, 2090), (1045, 1736), (1064, 1705), (1085, 1672), (1178, 1540), (1240, 1463), (1330, 1364)]