76920920

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{89}}^1$

素因数の和:189

約数の個数: 128

約数和(自身を含む): 195955200

約数和(自身を除く): 119034280

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 31, 34, 40, 41, 62, 68, 82, 85, 89, 124, 136, 155, 164, 170, 178, 205, 248, 310, 328, 340, 356, 410, 445, 527, 620, 680, 697, 712, 820, 890, 1054, 1240, 1271, 1394, 1513, 1640, 1780, 2108, 2542, 2635, 2759, 2788, 3026, 3485, 3560, 3649, 4216, 5084, 5270, 5518, 5576, 6052, 6355, 6970, 7298, 7565, 10168, 10540, 11036, 12104, 12710, 13795, 13940, 14596, 15130, 18245, 21080, 21607, 22072, 25420, 27590, 27880, 29192, 30260, 36490, 43214, 46903, 50840, 55180, 60520, 62033, 72980, 86428, 93806, 108035, 110360, 113119, 124066, 145960, 172856, 187612, 216070, 226238, 234515, 248132, 310165, 375224, 432140, 452476, 469030, 496264, 565595, 620330, 864280, 904952, 938060, 1131190, 1240660, 1876120, 1923023, 2262380, 2481320, 3846046, 4524760, 7692092, 9615115, 15384184, 19230230, 38460460, 76920920]

約数ペア:

[(1, 76920920), (2, 38460460), (4, 19230230), (5, 15384184), (8, 9615115), (10, 7692092), (17, 4524760), (20, 3846046), (31, 2481320), (34, 2262380), (40, 1923023), (41, 1876120), (62, 1240660), (68, 1131190), (82, 938060), (85, 904952), (89, 864280), (124, 620330), (136, 565595), (155, 496264), (164, 469030), (170, 452476), (178, 432140), (205, 375224), (248, 310165), (310, 248132), (328, 234515), (340, 226238), (356, 216070), (410, 187612), (445, 172856), (527, 145960), (620, 124066), (680, 113119), (697, 110360), (712, 108035), (820, 93806), (890, 86428), (1054, 72980), (1240, 62033), (1271, 60520), (1394, 55180), (1513, 50840), (1640, 46903), (1780, 43214), (2108, 36490), (2542, 30260), (2635, 29192), (2759, 27880), (2788, 27590), (3026, 25420), (3485, 22072), (3560, 21607), (3649, 21080), (4216, 18245), (5084, 15130), (5270, 14596), (5518, 13940), (5576, 13795), (6052, 12710), (6355, 12104), (6970, 11036), (7298, 10540), (7565, 10168)]