78251940

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{157}}^1$

素因数の和:259

約数の個数: 192

約数和(自身を含む): 267563520

約数和(自身を除く): 189311580

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 27, 30, 36, 39, 45, 52, 54, 60, 65, 71, 78, 90, 108, 117, 130, 135, 142, 156, 157, 180, 195, 213, 234, 260, 270, 284, 314, 351, 355, 390, 426, 468, 471, 540, 585, 628, 639, 702, 710, 780, 785, 852, 923, 942, 1065, 1170, 1278, 1404, 1413, 1420, 1570, 1755, 1846, 1884, 1917, 2041, 2130, 2340, 2355, 2556, 2769, 2826, 3140, 3195, 3510, 3692, 3834, 4082, 4239, 4260, 4615, 4710, 5538, 5652, 6123, 6390, 7020, 7065, 7668, 8164, 8307, 8478, 9230, 9420, 9585, 10205, 11076, 11147, 12246, 12780, 13845, 14130, 16614, 16956, 18369, 18460, 19170, 20410, 21195, 22294, 24492, 24921, 27690, 28260, 30615, 33228, 33441, 36738, 38340, 40820, 41535, 42390, 44588, 49842, 55107, 55380, 55735, 61230, 66882, 73476, 83070, 84780, 91845, 99684, 100323, 110214, 111470, 122460, 124605, 133764, 144911, 166140, 167205, 183690, 200646, 220428, 222940, 249210, 275535, 289822, 300969, 334410, 367380, 401292, 434733, 498420, 501615, 551070, 579644, 601938, 668820, 724555, 869466, 1003230, 1102140, 1203876, 1304199, 1449110, 1504845, 1738932, 2006460, 2173665, 2608398, 2898220, 3009690, 3912597, 4347330, 5216796, 6019380, 6520995, 7825194, 8694660, 13041990, 15650388, 19562985, 26083980, 39125970, 78251940]

約数ペア:

[(1, 78251940), (2, 39125970), (3, 26083980), (4, 19562985), (5, 15650388), (6, 13041990), (9, 8694660), (10, 7825194), (12, 6520995), (13, 6019380), (15, 5216796), (18, 4347330), (20, 3912597), (26, 3009690), (27, 2898220), (30, 2608398), (36, 2173665), (39, 2006460), (45, 1738932), (52, 1504845), (54, 1449110), (60, 1304199), (65, 1203876), (71, 1102140), (78, 1003230), (90, 869466), (108, 724555), (117, 668820), (130, 601938), (135, 579644), (142, 551070), (156, 501615), (157, 498420), (180, 434733), (195, 401292), (213, 367380), (234, 334410), (260, 300969), (270, 289822), (284, 275535), (314, 249210), (351, 222940), (355, 220428), (390, 200646), (426, 183690), (468, 167205), (471, 166140), (540, 144911), (585, 133764), (628, 124605), (639, 122460), (702, 111470), (710, 110214), (780, 100323), (785, 99684), (852, 91845), (923, 84780), (942, 83070), (1065, 73476), (1170, 66882), (1278, 61230), (1404, 55735), (1413, 55380), (1420, 55107), (1570, 49842), (1755, 44588), (1846, 42390), (1884, 41535), (1917, 40820), (2041, 38340), (2130, 36738), (2340, 33441), (2355, 33228), (2556, 30615), (2769, 28260), (2826, 27690), (3140, 24921), (3195, 24492), (3510, 22294), (3692, 21195), (3834, 20410), (4082, 19170), (4239, 18460), (4260, 18369), (4615, 16956), (4710, 16614), (5538, 14130), (5652, 13845), (6123, 12780), (6390, 12246), (7020, 11147), (7065, 11076), (7668, 10205), (8164, 9585), (8307, 9420), (8478, 9230)]