139802560

素因数分解:

$2^6\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{829}}^1$

素因数の和:894

約数の個数: 112

約数和(自身を含む): 364296960

約数和(自身を除く): 224494400

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 31, 32, 34, 40, 62, 64, 68, 80, 85, 124, 136, 155, 160, 170, 248, 272, 310, 320, 340, 496, 527, 544, 620, 680, 829, 992, 1054, 1088, 1240, 1360, 1658, 1984, 2108, 2480, 2635, 2720, 3316, 4145, 4216, 4960, 5270, 5440, 6632, 8290, 8432, 9920, 10540, 13264, 14093, 16580, 16864, 21080, 25699, 26528, 28186, 33160, 33728, 42160, 51398, 53056, 56372, 66320, 70465, 84320, 102796, 112744, 128495, 132640, 140930, 168640, 205592, 225488, 256990, 265280, 281860, 411184, 436883, 450976, 513980, 563720, 822368, 873766, 901952, 1027960, 1127440, 1644736, 1747532, 2055920, 2184415, 2254880, 3495064, 4111840, 4368830, 4509760, 6990128, 8223680, 8737660, 13980256, 17475320, 27960512, 34950640, 69901280, 139802560]

約数ペア:

[(1, 139802560), (2, 69901280), (4, 34950640), (5, 27960512), (8, 17475320), (10, 13980256), (16, 8737660), (17, 8223680), (20, 6990128), (31, 4509760), (32, 4368830), (34, 4111840), (40, 3495064), (62, 2254880), (64, 2184415), (68, 2055920), (80, 1747532), (85, 1644736), (124, 1127440), (136, 1027960), (155, 901952), (160, 873766), (170, 822368), (248, 563720), (272, 513980), (310, 450976), (320, 436883), (340, 411184), (496, 281860), (527, 265280), (544, 256990), (620, 225488), (680, 205592), (829, 168640), (992, 140930), (1054, 132640), (1088, 128495), (1240, 112744), (1360, 102796), (1658, 84320), (1984, 70465), (2108, 66320), (2480, 56372), (2635, 53056), (2720, 51398), (3316, 42160), (4145, 33728), (4216, 33160), (4960, 28186), (5270, 26528), (5440, 25699), (6632, 21080), (8290, 16864), (8432, 16580), (9920, 14093), (10540, 13264)]