191391720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{1553}}^1$

素因数の和:1659

約数の個数: 128

約数和(自身を含む): 626572800

約数和(自身を除く): 435181080

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 60, 65, 78, 79, 104, 120, 130, 156, 158, 195, 237, 260, 312, 316, 390, 395, 474, 520, 632, 780, 790, 948, 1027, 1185, 1553, 1560, 1580, 1896, 2054, 2370, 3081, 3106, 3160, 4108, 4659, 4740, 5135, 6162, 6212, 7765, 8216, 9318, 9480, 10270, 12324, 12424, 15405, 15530, 18636, 20189, 20540, 23295, 24648, 30810, 31060, 37272, 40378, 41080, 46590, 60567, 61620, 62120, 80756, 93180, 100945, 121134, 122687, 123240, 161512, 186360, 201890, 242268, 245374, 302835, 368061, 403780, 484536, 490748, 605670, 613435, 736122, 807560, 981496, 1211340, 1226870, 1472244, 1594931, 1840305, 2422680, 2453740, 2944488, 3189862, 3680610, 4784793, 4907480, 6379724, 7361220, 7974655, 9569586, 12759448, 14722440, 15949310, 19139172, 23923965, 31898620, 38278344, 47847930, 63797240, 95695860, 191391720]

約数ペア:

[(1, 191391720), (2, 95695860), (3, 63797240), (4, 47847930), (5, 38278344), (6, 31898620), (8, 23923965), (10, 19139172), (12, 15949310), (13, 14722440), (15, 12759448), (20, 9569586), (24, 7974655), (26, 7361220), (30, 6379724), (39, 4907480), (40, 4784793), (52, 3680610), (60, 3189862), (65, 2944488), (78, 2453740), (79, 2422680), (104, 1840305), (120, 1594931), (130, 1472244), (156, 1226870), (158, 1211340), (195, 981496), (237, 807560), (260, 736122), (312, 613435), (316, 605670), (390, 490748), (395, 484536), (474, 403780), (520, 368061), (632, 302835), (780, 245374), (790, 242268), (948, 201890), (1027, 186360), (1185, 161512), (1553, 123240), (1560, 122687), (1580, 121134), (1896, 100945), (2054, 93180), (2370, 80756), (3081, 62120), (3106, 61620), (3160, 60567), (4108, 46590), (4659, 41080), (4740, 40378), (5135, 37272), (6162, 31060), (6212, 30810), (7765, 24648), (8216, 23295), (9318, 20540), (9480, 20189), (10270, 18636), (12324, 15530), (12424, 15405)]