68815188

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{109}}^1$

素因数の和:222

約数の個数: 144

約数和(自身を含む): 201801600

約数和(自身を除く): 132986412

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 19, 26, 36, 38, 39, 52, 57, 71, 76, 78, 109, 114, 117, 142, 156, 171, 213, 218, 228, 234, 247, 284, 327, 342, 426, 436, 468, 494, 639, 654, 684, 741, 852, 923, 981, 988, 1278, 1308, 1349, 1417, 1482, 1846, 1962, 2071, 2223, 2556, 2698, 2769, 2834, 2964, 3692, 3924, 4047, 4142, 4251, 4446, 5396, 5538, 5668, 6213, 7739, 8094, 8284, 8307, 8502, 8892, 11076, 12141, 12426, 12753, 15478, 16188, 16614, 17004, 17537, 18639, 23217, 24282, 24852, 25506, 26923, 30956, 33228, 35074, 37278, 46434, 48564, 51012, 52611, 53846, 69651, 70148, 74556, 80769, 92868, 100607, 105222, 107692, 139302, 147041, 157833, 161538, 201214, 210444, 242307, 278604, 294082, 301821, 315666, 323076, 402428, 441123, 484614, 588164, 603642, 631332, 882246, 905463, 969228, 1207284, 1323369, 1764492, 1810926, 1911533, 2646738, 3621852, 3823066, 5293476, 5734599, 7646132, 11469198, 17203797, 22938396, 34407594, 68815188]

約数ペア:

[(1, 68815188), (2, 34407594), (3, 22938396), (4, 17203797), (6, 11469198), (9, 7646132), (12, 5734599), (13, 5293476), (18, 3823066), (19, 3621852), (26, 2646738), (36, 1911533), (38, 1810926), (39, 1764492), (52, 1323369), (57, 1207284), (71, 969228), (76, 905463), (78, 882246), (109, 631332), (114, 603642), (117, 588164), (142, 484614), (156, 441123), (171, 402428), (213, 323076), (218, 315666), (228, 301821), (234, 294082), (247, 278604), (284, 242307), (327, 210444), (342, 201214), (426, 161538), (436, 157833), (468, 147041), (494, 139302), (639, 107692), (654, 105222), (684, 100607), (741, 92868), (852, 80769), (923, 74556), (981, 70148), (988, 69651), (1278, 53846), (1308, 52611), (1349, 51012), (1417, 48564), (1482, 46434), (1846, 37278), (1962, 35074), (2071, 33228), (2223, 30956), (2556, 26923), (2698, 25506), (2769, 24852), (2834, 24282), (2964, 23217), (3692, 18639), (3924, 17537), (4047, 17004), (4142, 16614), (4251, 16188), (4446, 15478), (5396, 12753), (5538, 12426), (5668, 12141), (6213, 11076), (7739, 8892), (8094, 8502), (8284, 8307)]