819908040

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{131}}^1\times {\mathrm{7451}}^1$

素因数の和:7603

約数の個数: 128

約数和(自身を含む): 2832952320

約数和(自身を除く): 2013044280

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 131, 140, 168, 210, 262, 280, 393, 420, 524, 655, 786, 840, 917, 1048, 1310, 1572, 1834, 1965, 2620, 2751, 3144, 3668, 3930, 4585, 5240, 5502, 7336, 7451, 7860, 9170, 11004, 13755, 14902, 15720, 18340, 22008, 22353, 27510, 29804, 36680, 37255, 44706, 52157, 55020, 59608, 74510, 89412, 104314, 110040, 111765, 149020, 156471, 178824, 208628, 223530, 260785, 298040, 312942, 417256, 447060, 521570, 625884, 782355, 894120, 976081, 1043140, 1251768, 1564710, 1952162, 2086280, 2928243, 3129420, 3904324, 4880405, 5856486, 6258840, 6832567, 7808648, 9760810, 11712972, 13665134, 14641215, 19521620, 20497701, 23425944, 27330268, 29282430, 34162835, 39043240, 40995402, 54660536, 58564860, 68325670, 81990804, 102488505, 117129720, 136651340, 163981608, 204977010, 273302680, 409954020, 819908040]

約数ペア:

[(1, 819908040), (2, 409954020), (3, 273302680), (4, 204977010), (5, 163981608), (6, 136651340), (7, 117129720), (8, 102488505), (10, 81990804), (12, 68325670), (14, 58564860), (15, 54660536), (20, 40995402), (21, 39043240), (24, 34162835), (28, 29282430), (30, 27330268), (35, 23425944), (40, 20497701), (42, 19521620), (56, 14641215), (60, 13665134), (70, 11712972), (84, 9760810), (105, 7808648), (120, 6832567), (131, 6258840), (140, 5856486), (168, 4880405), (210, 3904324), (262, 3129420), (280, 2928243), (393, 2086280), (420, 1952162), (524, 1564710), (655, 1251768), (786, 1043140), (840, 976081), (917, 894120), (1048, 782355), (1310, 625884), (1572, 521570), (1834, 447060), (1965, 417256), (2620, 312942), (2751, 298040), (3144, 260785), (3668, 223530), (3930, 208628), (4585, 178824), (5240, 156471), (5502, 149020), (7336, 111765), (7451, 110040), (7860, 104314), (9170, 89412), (11004, 74510), (13755, 59608), (14902, 55020), (15720, 52157), (18340, 44706), (22008, 37255), (22353, 36680), (27510, 29804)]