171640140

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{79}}^1\times {\mathrm{739}}^1$

素因数の和:844

約数の個数: 144

約数和(自身を含む): 566899200

約数和(自身を除く): 395259060

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 49, 60, 70, 79, 84, 98, 105, 140, 147, 158, 196, 210, 237, 245, 294, 316, 395, 420, 474, 490, 553, 588, 735, 739, 790, 948, 980, 1106, 1185, 1470, 1478, 1580, 1659, 2212, 2217, 2370, 2765, 2940, 2956, 3318, 3695, 3871, 4434, 4740, 5173, 5530, 6636, 7390, 7742, 8295, 8868, 10346, 11060, 11085, 11613, 14780, 15484, 15519, 16590, 19355, 20692, 22170, 23226, 25865, 31038, 33180, 36211, 38710, 44340, 46452, 51730, 58065, 58381, 62076, 72422, 77420, 77595, 103460, 108633, 116130, 116762, 144844, 155190, 175143, 181055, 217266, 232260, 233524, 291905, 310380, 350286, 362110, 408667, 434532, 543165, 583810, 700572, 724220, 817334, 875715, 1086330, 1167620, 1226001, 1634668, 1751430, 2043335, 2172660, 2452002, 2860669, 3502860, 4086670, 4904004, 5721338, 6130005, 8173340, 8582007, 11442676, 12260010, 14303345, 17164014, 24520020, 28606690, 34328028, 42910035, 57213380, 85820070, 171640140]

約数ペア:

[(1, 171640140), (2, 85820070), (3, 57213380), (4, 42910035), (5, 34328028), (6, 28606690), (7, 24520020), (10, 17164014), (12, 14303345), (14, 12260010), (15, 11442676), (20, 8582007), (21, 8173340), (28, 6130005), (30, 5721338), (35, 4904004), (42, 4086670), (49, 3502860), (60, 2860669), (70, 2452002), (79, 2172660), (84, 2043335), (98, 1751430), (105, 1634668), (140, 1226001), (147, 1167620), (158, 1086330), (196, 875715), (210, 817334), (237, 724220), (245, 700572), (294, 583810), (316, 543165), (395, 434532), (420, 408667), (474, 362110), (490, 350286), (553, 310380), (588, 291905), (735, 233524), (739, 232260), (790, 217266), (948, 181055), (980, 175143), (1106, 155190), (1185, 144844), (1470, 116762), (1478, 116130), (1580, 108633), (1659, 103460), (2212, 77595), (2217, 77420), (2370, 72422), (2765, 62076), (2940, 58381), (2956, 58065), (3318, 51730), (3695, 46452), (3871, 44340), (4434, 38710), (4740, 36211), (5173, 33180), (5530, 31038), (6636, 25865), (7390, 23226), (7742, 22170), (8295, 20692), (8868, 19355), (10346, 16590), (11060, 15519), (11085, 15484), (11613, 14780)]