139495040

素因数分解:

$2^7\times 5^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{89}}^1$

素因数の和:218

約数の個数: 128

約数和(自身を含む): 352512000

約数和(自身を除く): 213016960

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 79, 80, 89, 124, 128, 155, 158, 160, 178, 248, 310, 316, 320, 356, 395, 445, 496, 620, 632, 640, 712, 790, 890, 992, 1240, 1264, 1424, 1580, 1780, 1984, 2449, 2480, 2528, 2759, 2848, 3160, 3560, 3968, 4898, 4960, 5056, 5518, 5696, 6320, 7031, 7120, 9796, 9920, 10112, 11036, 11392, 12245, 12640, 13795, 14062, 14240, 19592, 19840, 22072, 24490, 25280, 27590, 28124, 28480, 35155, 39184, 44144, 48980, 50560, 55180, 56248, 56960, 70310, 78368, 88288, 97960, 110360, 112496, 140620, 156736, 176576, 195920, 217961, 220720, 224992, 281240, 313472, 353152, 391840, 435922, 441440, 449984, 562480, 783680, 871844, 882880, 899968, 1089805, 1124960, 1567360, 1743688, 1765760, 2179610, 2249920, 3487376, 4359220, 4499840, 6974752, 8718440, 13949504, 17436880, 27899008, 34873760, 69747520, 139495040]

約数ペア:

[(1, 139495040), (2, 69747520), (4, 34873760), (5, 27899008), (8, 17436880), (10, 13949504), (16, 8718440), (20, 6974752), (31, 4499840), (32, 4359220), (40, 3487376), (62, 2249920), (64, 2179610), (79, 1765760), (80, 1743688), (89, 1567360), (124, 1124960), (128, 1089805), (155, 899968), (158, 882880), (160, 871844), (178, 783680), (248, 562480), (310, 449984), (316, 441440), (320, 435922), (356, 391840), (395, 353152), (445, 313472), (496, 281240), (620, 224992), (632, 220720), (640, 217961), (712, 195920), (790, 176576), (890, 156736), (992, 140620), (1240, 112496), (1264, 110360), (1424, 97960), (1580, 88288), (1780, 78368), (1984, 70310), (2449, 56960), (2480, 56248), (2528, 55180), (2759, 50560), (2848, 48980), (3160, 44144), (3560, 39184), (3968, 35155), (4898, 28480), (4960, 28124), (5056, 27590), (5518, 25280), (5696, 24490), (6320, 22072), (7031, 19840), (7120, 19592), (9796, 14240), (9920, 14062), (10112, 13795), (11036, 12640), (11392, 12245)]